2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
20 #include "metadata/marshal.h"
21 #include "metadata/method-builder.h"
22 #include "metadata/tabledefs.h"
23 #include "metadata/exception.h"
24 #include "metadata/appdomain.h"
25 #include "mono/metadata/debug-helpers.h"
26 #include "mono/metadata/threadpool.h"
27 #include "mono/metadata/threads.h"
28 #include "mono/metadata/monitor.h"
29 #include "mono/metadata/metadata-internals.h"
30 #include "mono/metadata/domain-internals.h"
31 #include "mono/metadata/gc-internal.h"
32 #include "mono/metadata/threads-types.h"
33 #include "mono/metadata/string-icalls.h"
34 #include "mono/metadata/attrdefs.h"
35 #include "mono/metadata/gc-internal.h"
36 #include "mono/metadata/cominterop.h"
37 #include "mono/utils/mono-counters.h"
41 /* #define DEBUG_RUNTIME_CODE */
43 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
47 MONO_MARSHAL_NONE, /* No marshalling needed */
48 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
49 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
50 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
51 } MonoXDomainMarshalType;
54 #include "mono/cil/opcode.def"
59 struct _MonoRemotingMethods {
61 MonoMethod *invoke_with_check;
62 MonoMethod *xdomain_invoke;
63 MonoMethod *xdomain_dispatch;
66 typedef struct _MonoRemotingMethods MonoRemotingMethods;
69 * This mutex protects the various marshalling related caches in MonoImage
70 * and a few other data structures static to this file.
71 * Note that when this lock is held it is not possible to take other runtime
72 * locks like the loader lock.
74 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
75 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
76 static CRITICAL_SECTION marshal_mutex;
77 static gboolean marshal_mutex_initialized;
79 static guint32 last_error_tls_id;
81 static guint32 load_type_info_tls_id;
84 delegate_hash_table_add (MonoDelegate *d);
87 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
90 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, MonoMarshalNative string_encoding);
93 mono_struct_delete_old (MonoClass *klass, char *ptr);
96 mono_marshal_string_to_utf16 (MonoString *s);
99 mono_marshal_string_to_utf16_copy (MonoString *s);
102 mono_string_to_lpstr (MonoString *string_obj);
104 static MonoStringBuilder *
105 mono_string_utf8_to_builder2 (char *text);
107 static MonoStringBuilder *
108 mono_string_utf16_to_builder2 (gunichar2 *text);
111 mono_string_new_len_wrapper (const char *text, guint length);
114 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
117 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
120 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
122 static MonoAsyncResult *
123 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
126 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
129 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
132 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
135 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
138 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
140 static MonoReflectionType *
141 type_from_handle (MonoType *handle);
144 mono_marshal_set_last_error_windows (int error);
146 static void init_safe_handle (void);
148 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
149 static MonoMethod *sh_dangerous_add_ref;
150 static MonoMethod *sh_dangerous_release;
156 sh_dangerous_add_ref = mono_class_get_method_from_name (
157 mono_defaults.safehandle_class, "DangerousAddRef", 1);
158 sh_dangerous_release = mono_class_get_method_from_name (
159 mono_defaults.safehandle_class, "DangerousRelease", 0);
163 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
165 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
167 mono_register_jit_icall (func, name, sig, save);
170 static MonoMethodSignature*
171 signature_dup (MonoImage *image, MonoMethodSignature *sig)
173 MonoMethodSignature *res;
176 res = mono_metadata_signature_alloc (image, sig->param_count);
177 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
178 memcpy (res, sig, sigsize);
184 mono_signature_no_pinvoke (MonoMethod *method)
186 MonoMethodSignature *sig = mono_method_signature (method);
188 sig = signature_dup (method->klass->image, sig);
189 sig->pinvoke = FALSE;
196 mono_marshal_init (void)
198 static gboolean module_initialized = FALSE;
200 if (!module_initialized) {
201 module_initialized = TRUE;
202 InitializeCriticalSection (&marshal_mutex);
203 marshal_mutex_initialized = TRUE;
204 last_error_tls_id = TlsAlloc ();
205 load_type_info_tls_id = TlsAlloc ();
207 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
208 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
209 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
210 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
211 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
212 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
213 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
214 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
215 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
216 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
217 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
218 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
219 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
220 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
221 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
222 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
223 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
224 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
225 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
226 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
227 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
228 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
229 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
230 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
231 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
232 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
233 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
234 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
235 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
236 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
237 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
238 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
239 register_icall (g_free, "g_free", "void ptr", FALSE);
240 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
241 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
242 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
243 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
244 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
245 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
246 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
247 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
248 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
249 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
250 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
251 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
252 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
253 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
254 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
255 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
257 mono_cominterop_init ();
262 mono_marshal_cleanup (void)
264 mono_cominterop_cleanup ();
266 TlsFree (load_type_info_tls_id);
267 TlsFree (last_error_tls_id);
268 DeleteCriticalSection (&marshal_mutex);
269 marshal_mutex_initialized = FALSE;
272 MonoClass *byte_array_class;
273 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
274 static MonoMethod *method_set_context, *method_get_context;
275 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
278 mono_remoting_marshal_init (void)
282 static gboolean module_initialized = FALSE;
284 if (!module_initialized) {
285 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
286 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
287 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
288 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
290 klass = mono_defaults.real_proxy_class;
291 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
293 klass = mono_defaults.exception_class;
294 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
296 klass = mono_defaults.thread_class;
297 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
299 klass = mono_defaults.appdomain_class;
300 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
301 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
303 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
304 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
306 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
307 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
309 module_initialized = TRUE;
314 mono_delegate_to_ftnptr (MonoDelegate *delegate)
316 MonoMethod *method, *wrapper;
318 uint32_t target_handle = 0;
323 if (delegate->delegate_trampoline)
324 return delegate->delegate_trampoline;
326 klass = ((MonoObject *)delegate)->vtable->klass;
327 g_assert (klass->delegate);
329 method = delegate->method;
331 if (mono_method_signature (method)->pinvoke) {
332 const char *exc_class, *exc_arg;
335 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
337 g_assert (exc_class);
338 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
343 if (delegate->target) {
344 /* Produce a location which can be embedded in JITted code */
345 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
348 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
350 delegate->delegate_trampoline = mono_compile_method (wrapper);
352 // Add the delegate to the delegate hash table
353 delegate_hash_table_add (delegate);
355 /* when the object is collected, collect the dynamic method, too */
356 mono_object_register_finalizer ((MonoObject*)delegate);
358 return delegate->delegate_trampoline;
362 * this hash table maps from a delegate trampoline object to a weak reference
363 * of the delegate. As an optimizations with a non-moving GC we store the
364 * object pointer itself, otherwise we use a GC handle.
366 static GHashTable *delegate_hash_table;
369 delegate_hash_table_new (void) {
370 return g_hash_table_new (NULL, NULL);
374 delegate_hash_table_remove (MonoDelegate *d)
376 #ifdef HAVE_MOVING_COLLECTOR
379 mono_marshal_lock ();
380 if (delegate_hash_table == NULL)
381 delegate_hash_table = delegate_hash_table_new ();
382 #ifdef HAVE_MOVING_COLLECTOR
383 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
385 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
386 mono_marshal_unlock ();
387 #ifdef HAVE_MOVING_COLLECTOR
388 mono_gchandle_free (gchandle);
393 delegate_hash_table_add (MonoDelegate *d)
395 #ifdef HAVE_MOVING_COLLECTOR
396 guint32 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
397 guint32 old_gchandle;
399 mono_marshal_lock ();
400 if (delegate_hash_table == NULL)
401 delegate_hash_table = delegate_hash_table_new ();
402 #ifdef HAVE_MOVING_COLLECTOR
403 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
404 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
406 mono_gchandle_free (old_gchandle);
408 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
410 mono_marshal_unlock ();
414 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
416 #ifdef HAVE_MOVING_COLLECTOR
424 mono_marshal_lock ();
425 if (delegate_hash_table == NULL)
426 delegate_hash_table = delegate_hash_table_new ();
428 #ifdef HAVE_MOVING_COLLECTOR
429 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
430 mono_marshal_unlock ();
432 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
436 d = g_hash_table_lookup (delegate_hash_table, ftn);
437 mono_marshal_unlock ();
440 /* This is a native function, so construct a delegate for it */
441 static MonoClass *UnmanagedFunctionPointerAttribute;
442 MonoMethodSignature *sig;
444 MonoMarshalSpec **mspecs;
445 MonoCustomAttrInfo *cinfo;
446 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
447 MonoMethod *invoke = mono_get_delegate_invoke (klass);
448 MonoMethodPInvoke piinfo;
451 memset (&piinfo, 0, sizeof (piinfo));
452 if (!UnmanagedFunctionPointerAttribute)
453 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
455 /* The attribute is only available in Net 2.0 */
456 if (UnmanagedFunctionPointerAttribute) {
458 * The pinvoke attributes are stored in a real custom attribute so we have to
461 cinfo = mono_custom_attrs_from_class (klass);
463 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
465 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
468 mono_custom_attrs_free (cinfo);
472 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
473 mono_method_get_marshal_info (invoke, mspecs);
474 /* Freed below so don't alloc from mempool */
475 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
478 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
480 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
482 mono_metadata_free_marshal_spec (mspecs [i]);
486 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
487 mono_delegate_ctor_with_method ((MonoObject*)d, NULL, mono_compile_method (wrapper), wrapper);
490 if (d->object.vtable->domain != mono_domain_get ())
491 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
497 mono_delegate_free_ftnptr (MonoDelegate *delegate)
502 delegate_hash_table_remove (delegate);
504 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
506 if (!delegate->target) {
507 /* The wrapper method is shared between delegates -> no need to free it */
514 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
517 method_data = ((MonoMethodWrapper*)ji->method)->method_data;
519 /*the target gchandle is the first entry after size and the wrapper itself.*/
520 gchandle = GPOINTER_TO_UINT (method_data [2]);
523 mono_gchandle_free (gchandle);
525 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
530 mono_array_to_savearray (MonoArray *array)
535 g_assert_not_reached ();
540 mono_array_to_lparray (MonoArray *array)
542 gpointer *nativeArray = NULL;
543 int nativeArraySize = 0;
552 klass = array->obj.vtable->klass;
554 switch (klass->element_class->byval_arg.type) {
556 g_assert_not_reached ();
559 case MONO_TYPE_CLASS:
560 nativeArraySize = array->max_length;
561 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
562 for(i = 0; i < nativeArraySize; ++i)
563 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
567 case MONO_TYPE_BOOLEAN:
580 case MONO_TYPE_VALUETYPE:
584 case MONO_TYPE_GENERICINST:
585 case MONO_TYPE_OBJECT:
586 case MONO_TYPE_ARRAY:
587 case MONO_TYPE_SZARRAY:
588 case MONO_TYPE_STRING:
590 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
591 g_assert_not_reached ();
594 return array->vector;
598 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
609 klass = array->obj.vtable->klass;
611 switch (klass->element_class->byval_arg.type) {
612 case MONO_TYPE_CLASS:
613 for(i = 0; i < array->max_length; ++i)
614 mono_marshal_free_ccw(nativeArray[i]);
622 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
624 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
626 if (elclass == mono_defaults.byte_class) {
627 GError *error = NULL;
631 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
634 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
638 g_error_free (error);
641 g_assert_not_reached ();
645 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
647 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
649 if (elclass == mono_defaults.byte_class) {
651 GError *error = NULL;
653 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
655 MonoException *exc = mono_get_exception_argument ("string", error->message);
656 g_error_free (error);
657 mono_raise_exception (exc);
660 memcpy (native_arr, as, MIN (strlen (as), elnum));
663 g_assert_not_reached ();
668 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
670 GError *error = NULL;
680 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
682 if (items_written > mono_stringbuilder_capacity (sb))
683 items_written = mono_stringbuilder_capacity (sb);
686 if (! sb->str || sb->str == sb->cached_str) {
687 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
688 sb->cached_str = NULL;
691 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
692 sb->length = items_written;
694 g_error_free (error);
700 mono_string_utf8_to_builder2 (char *text)
703 MonoStringBuilder *sb;
704 static MonoClass *string_builder_class;
705 static MonoMethod *sb_ctor;
712 if (!string_builder_class) {
713 MonoMethodDesc *desc;
715 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
716 g_assert (string_builder_class);
717 desc = mono_method_desc_new (":.ctor(int)", FALSE);
718 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
720 mono_method_desc_free (desc);
725 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
728 mono_runtime_invoke (sb_ctor, sb, args, &exc);
731 mono_string_utf8_to_builder (sb, text);
737 * FIXME: This routine does not seem to do what it seems to do
738 * the @text is never copied into the string builder
741 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
748 g_assert (mono_string_chars (sb->str) == text);
750 for (len = 0; text [len] != 0; ++len)
757 mono_string_utf16_to_builder2 (gunichar2 *text)
760 MonoStringBuilder *sb;
761 static MonoClass *string_builder_class;
762 static MonoMethod *sb_ctor;
769 if (!string_builder_class) {
770 MonoMethodDesc *desc;
772 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
773 g_assert (string_builder_class);
774 desc = mono_method_desc_new (":.ctor(int)", FALSE);
775 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
777 mono_method_desc_free (desc);
780 for (len = 0; text [len] != 0; ++len)
783 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
786 mono_runtime_invoke (sb_ctor, sb, args, &exc);
790 memcpy (mono_string_chars (sb->str), text, len * 2);
796 * mono_string_builder_to_utf8:
797 * @sb: the string builder
799 * Converts to utf8 the contents of the MonoStringBuilder.
801 * Returns: a utf8 string with the contents of the StringBuilder.
803 * The return value must be released with g_free.
806 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
808 GError *error = NULL;
809 gchar *tmp, *res = NULL;
814 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
816 * The sb could have been allocated with the default capacity and be empty.
817 * we need to alloc a buffer of the default capacity in this case.
819 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
820 sb->cached_str = NULL;
823 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
825 g_error_free (error);
826 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
828 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
829 memcpy (res, tmp, sb->length + 1);
837 * mono_string_builder_to_utf16:
838 * @sb: the string builder
840 * Converts to utf16 the contents of the MonoStringBuilder.
842 * Returns: a utf16 string with the contents of the StringBuilder.
844 * The return value must not be freed.
847 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
855 * The stringbuilder might not have ownership of this string. If this is
856 * the case, we must duplicate the string, so that we don't munge immutable
859 if (sb->str == sb->cached_str) {
861 * The sb could have been allocated with the default capacity and be empty.
862 * we need to alloc a buffer of the default capacity in this case.
864 if (sb->str->length == 0)
865 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
867 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
868 sb->cached_str = NULL;
872 *(mono_string_chars (sb->str)) = '\0';
874 return mono_string_chars (sb->str);
878 mono_string_to_lpstr (MonoString *s)
883 GError *error = NULL;
889 as = CoTaskMemAlloc (1);
894 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
896 MonoException *exc = mono_get_exception_argument ("string", error->message);
897 g_error_free (error);
898 mono_raise_exception(exc);
901 as = CoTaskMemAlloc (len + 1);
902 memcpy (as, tmp, len + 1);
907 return mono_string_to_utf8 (s);
912 mono_string_to_ansibstr (MonoString *string_obj)
914 g_error ("UnmanagedMarshal.BStr is not implemented.");
919 * mono_string_to_byvalstr:
920 * @dst: Where to store the null-terminated utf8 decoded string.
921 * @src: the MonoString to copy.
922 * @size: the maximum number of bytes to copy.
924 * Copies the MonoString pointed to by @src as a utf8 string
925 * into @dst, it copies at most @size bytes into the destination.
928 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
933 g_assert (dst != NULL);
936 memset (dst, 0, size);
940 s = mono_string_to_utf8 (src);
941 len = MIN (size, strlen (s));
944 memcpy (dst, s, len);
949 * mono_string_to_byvalwstr:
950 * @dst: Where to store the null-terminated utf16 decoded string.
951 * @src: the MonoString to copy.
952 * @size: the maximum number of bytes to copy.
954 * Copies the MonoString pointed to by @src as a utf16 string into
955 * @dst, it copies at most @size bytes into the destination (including
956 * a terminating 16-bit zero terminator).
959 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
963 g_assert (dst != NULL);
967 memset (dst, 0, size * 2);
971 len = MIN (size, (mono_string_length (src)));
972 memcpy (dst, mono_string_chars (src), size * 2);
973 if (size <= mono_string_length (src))
975 *((gunichar2 *) dst + len) = 0;
979 mono_string_new_len_wrapper (const char *text, guint length)
981 return mono_string_new_len (mono_domain_get (), text, length);
985 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
988 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
989 mono_mb_emit_byte (mb, CEE_LDIND_I);
990 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
991 mono_mb_emit_byte (mb, CEE_ADD);
992 mono_mb_emit_byte (mb, CEE_LDIND_I);
993 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
994 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
995 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
996 pos = mono_mb_emit_branch (mb, branch_code);
1001 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1004 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1005 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1006 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1007 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1008 mono_mb_emit_icon (mb, -1);
1009 pos = mono_mb_emit_branch (mb, branch_code);
1014 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1016 static int offset = -1;
1020 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1022 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1023 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1024 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1025 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1026 mono_mb_emit_ldflda (mb, offset);
1027 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1028 mono_mb_emit_icon (mb, mask);
1029 mono_mb_emit_byte (mb, CEE_AND);
1030 mono_mb_emit_icon (mb, 0);
1031 return mono_mb_emit_branch (mb, branch_code);
1035 * mono_mb_emit_exception_marshal_directive:
1037 * This function assumes ownership of MSG, which should be malloc-ed.
1040 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1045 s = mono_image_strdup (mb->method->klass->image, msg);
1050 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1054 mono_type_to_ldind (MonoType *type)
1060 switch (type->type) {
1062 return CEE_LDIND_I1;
1064 case MONO_TYPE_BOOLEAN:
1065 return CEE_LDIND_U1;
1067 return CEE_LDIND_I2;
1069 case MONO_TYPE_CHAR:
1070 return CEE_LDIND_U2;
1072 return CEE_LDIND_I4;
1074 return CEE_LDIND_U4;
1078 case MONO_TYPE_FNPTR:
1080 case MONO_TYPE_CLASS:
1081 case MONO_TYPE_STRING:
1082 case MONO_TYPE_OBJECT:
1083 case MONO_TYPE_SZARRAY:
1084 case MONO_TYPE_ARRAY:
1085 return CEE_LDIND_REF;
1088 return CEE_LDIND_I8;
1090 return CEE_LDIND_R4;
1092 return CEE_LDIND_R8;
1093 case MONO_TYPE_VALUETYPE:
1094 if (type->data.klass->enumtype) {
1095 type = mono_class_enum_basetype (type->data.klass);
1099 case MONO_TYPE_TYPEDBYREF:
1101 case MONO_TYPE_GENERICINST:
1102 type = &type->data.generic_class->container_class->byval_arg;
1105 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1111 mono_type_to_stind (MonoType *type)
1117 switch (type->type) {
1120 case MONO_TYPE_BOOLEAN:
1121 return CEE_STIND_I1;
1124 case MONO_TYPE_CHAR:
1125 return CEE_STIND_I2;
1128 return CEE_STIND_I4;
1132 case MONO_TYPE_FNPTR:
1134 case MONO_TYPE_CLASS:
1135 case MONO_TYPE_STRING:
1136 case MONO_TYPE_OBJECT:
1137 case MONO_TYPE_SZARRAY:
1138 case MONO_TYPE_ARRAY:
1139 return CEE_STIND_REF;
1142 return CEE_STIND_I8;
1144 return CEE_STIND_R4;
1146 return CEE_STIND_R8;
1147 case MONO_TYPE_VALUETYPE:
1148 if (type->data.klass->enumtype) {
1149 type = mono_class_enum_basetype (type->data.klass);
1153 case MONO_TYPE_TYPEDBYREF:
1155 case MONO_TYPE_GENERICINST:
1156 type = &type->data.generic_class->container_class->byval_arg;
1159 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1165 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1168 case MONO_MARSHAL_CONV_BOOL_I4:
1169 mono_mb_emit_ldloc (mb, 1);
1170 mono_mb_emit_ldloc (mb, 0);
1171 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1172 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1173 mono_mb_emit_byte (mb, 3);
1174 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1175 mono_mb_emit_byte (mb, CEE_BR_S);
1176 mono_mb_emit_byte (mb, 1);
1177 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1178 mono_mb_emit_byte (mb, CEE_STIND_I1);
1180 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1181 mono_mb_emit_ldloc (mb, 1);
1182 mono_mb_emit_ldloc (mb, 0);
1183 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1184 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1185 mono_mb_emit_byte (mb, 3);
1186 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1187 mono_mb_emit_byte (mb, CEE_BR_S);
1188 mono_mb_emit_byte (mb, 1);
1189 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1190 mono_mb_emit_byte (mb, CEE_STIND_I1);
1192 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1193 MonoClass *eklass = NULL;
1196 if (type->type == MONO_TYPE_SZARRAY) {
1197 eklass = type->data.klass;
1199 g_assert_not_reached ();
1202 esize = mono_class_native_size (eklass, NULL);
1204 /* create a new array */
1205 mono_mb_emit_ldloc (mb, 1);
1206 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1207 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1208 mono_mb_emit_byte (mb, CEE_STIND_I);
1210 if (eklass->blittable) {
1211 /* copy the elements */
1212 mono_mb_emit_ldloc (mb, 1);
1213 mono_mb_emit_byte (mb, CEE_LDIND_I);
1214 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1215 mono_mb_emit_byte (mb, CEE_ADD);
1216 mono_mb_emit_ldloc (mb, 0);
1217 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1218 mono_mb_emit_byte (mb, CEE_PREFIX1);
1219 mono_mb_emit_byte (mb, CEE_CPBLK);
1222 int array_var, src_var, dst_var, index_var;
1223 guint32 label2, label3;
1225 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1226 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1227 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1230 mono_mb_emit_ldloc (mb, 1);
1231 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1232 mono_mb_emit_stloc (mb, array_var);
1234 /* save the old src pointer */
1235 mono_mb_emit_ldloc (mb, 0);
1236 mono_mb_emit_stloc (mb, src_var);
1237 /* save the old dst pointer */
1238 mono_mb_emit_ldloc (mb, 1);
1239 mono_mb_emit_stloc (mb, dst_var);
1241 /* Emit marshalling loop */
1242 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1243 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1244 mono_mb_emit_stloc (mb, index_var);
1247 label2 = mono_mb_get_label (mb);
1248 mono_mb_emit_ldloc (mb, index_var);
1249 mono_mb_emit_ldloc (mb, array_var);
1250 mono_mb_emit_byte (mb, CEE_LDLEN);
1251 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1253 /* src is already set */
1256 mono_mb_emit_ldloc (mb, array_var);
1257 mono_mb_emit_ldloc (mb, index_var);
1258 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1259 mono_mb_emit_stloc (mb, 1);
1261 /* Do the conversion */
1262 emit_struct_conv (mb, eklass, TRUE);
1265 mono_mb_emit_add_to_local (mb, index_var, 1);
1267 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1269 mono_mb_patch_branch (mb, label3);
1271 /* restore the old src pointer */
1272 mono_mb_emit_ldloc (mb, src_var);
1273 mono_mb_emit_stloc (mb, 0);
1274 /* restore the old dst pointer */
1275 mono_mb_emit_ldloc (mb, dst_var);
1276 mono_mb_emit_stloc (mb, 1);
1280 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1281 MonoClass *eclass = mono_defaults.char_class;
1283 /* create a new array */
1284 mono_mb_emit_ldloc (mb, 1);
1285 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1286 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1287 mono_mb_emit_byte (mb, CEE_STIND_REF);
1289 mono_mb_emit_ldloc (mb, 1);
1290 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1291 mono_mb_emit_ldloc (mb, 0);
1292 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1293 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1294 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1297 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1298 mono_mb_emit_ldloc (mb, 1);
1299 mono_mb_emit_ldloc (mb, 0);
1300 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1301 mono_mb_emit_byte (mb, CEE_STIND_REF);
1303 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1304 mono_mb_emit_ldloc (mb, 1);
1305 mono_mb_emit_ldloc (mb, 0);
1306 mono_mb_emit_icall (mb, mono_string_from_utf16);
1307 mono_mb_emit_byte (mb, CEE_STIND_REF);
1309 case MONO_MARSHAL_CONV_STR_LPTSTR:
1310 mono_mb_emit_ldloc (mb, 1);
1311 mono_mb_emit_ldloc (mb, 0);
1312 mono_mb_emit_byte (mb, CEE_LDIND_I);
1314 mono_mb_emit_icall (mb, mono_string_from_utf16);
1316 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1318 mono_mb_emit_byte (mb, CEE_STIND_REF);
1320 case MONO_MARSHAL_CONV_STR_LPSTR:
1321 mono_mb_emit_ldloc (mb, 1);
1322 mono_mb_emit_ldloc (mb, 0);
1323 mono_mb_emit_byte (mb, CEE_LDIND_I);
1324 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1325 mono_mb_emit_byte (mb, CEE_STIND_REF);
1327 case MONO_MARSHAL_CONV_STR_LPWSTR:
1328 mono_mb_emit_ldloc (mb, 1);
1329 mono_mb_emit_ldloc (mb, 0);
1330 mono_mb_emit_byte (mb, CEE_LDIND_I);
1331 mono_mb_emit_icall (mb, mono_string_from_utf16);
1332 mono_mb_emit_byte (mb, CEE_STIND_REF);
1334 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1335 MonoClass *klass = mono_class_from_mono_type (type);
1336 int src_var, dst_var;
1338 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1339 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1341 /* *dst = new object */
1342 mono_mb_emit_ldloc (mb, 1);
1343 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1344 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1345 mono_mb_emit_byte (mb, CEE_STIND_REF);
1347 /* save the old src pointer */
1348 mono_mb_emit_ldloc (mb, 0);
1349 mono_mb_emit_stloc (mb, src_var);
1350 /* save the old dst pointer */
1351 mono_mb_emit_ldloc (mb, 1);
1352 mono_mb_emit_stloc (mb, dst_var);
1354 /* dst = pointer to newly created object data */
1355 mono_mb_emit_ldloc (mb, 1);
1356 mono_mb_emit_byte (mb, CEE_LDIND_I);
1357 mono_mb_emit_icon (mb, sizeof (MonoObject));
1358 mono_mb_emit_byte (mb, CEE_ADD);
1359 mono_mb_emit_stloc (mb, 1);
1361 emit_struct_conv (mb, klass, TRUE);
1363 /* restore the old src pointer */
1364 mono_mb_emit_ldloc (mb, src_var);
1365 mono_mb_emit_stloc (mb, 0);
1366 /* restore the old dst pointer */
1367 mono_mb_emit_ldloc (mb, dst_var);
1368 mono_mb_emit_stloc (mb, 1);
1371 case MONO_MARSHAL_CONV_DEL_FTN: {
1372 MonoClass *klass = mono_class_from_mono_type (type);
1374 mono_mb_emit_ldloc (mb, 1);
1375 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1376 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1377 mono_mb_emit_ldloc (mb, 0);
1378 mono_mb_emit_byte (mb, CEE_LDIND_I);
1379 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1380 mono_mb_emit_byte (mb, CEE_STIND_REF);
1383 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1384 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1388 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1389 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1390 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1391 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1393 #endif /* DISABLE_COM */
1395 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1397 * Passing SafeHandles as ref does not allow the unmanaged code
1398 * to change the SafeHandle value. If the value is changed,
1399 * we should issue a diagnostic exception (NotSupportedException)
1400 * that informs the user that changes to handles in unmanaged code
1403 * Since we currently have no access to the original
1404 * SafeHandle that was used during the marshalling,
1405 * for now we just ignore this, and ignore/discard any
1406 * changes that might have happened to the handle.
1411 case MONO_MARSHAL_CONV_HANDLEREF: {
1413 * Passing HandleRefs in a struct that is ref()ed does not
1414 * copy the values back to the HandleRef
1419 case MONO_MARSHAL_CONV_STR_BSTR:
1420 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1421 case MONO_MARSHAL_CONV_STR_TBSTR:
1422 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1424 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1426 mono_mb_emit_exception_marshal_directive (mb, msg);
1433 conv_to_icall (MonoMarshalConv conv)
1436 case MONO_MARSHAL_CONV_STR_LPWSTR:
1437 return mono_marshal_string_to_utf16;
1438 case MONO_MARSHAL_CONV_LPWSTR_STR:
1439 return mono_string_from_utf16;
1440 case MONO_MARSHAL_CONV_LPSTR_STR:
1442 return mono_string_from_utf16;
1444 return mono_string_new_wrapper;
1446 case MONO_MARSHAL_CONV_STR_LPTSTR:
1448 return mono_marshal_string_to_utf16;
1450 return mono_string_to_lpstr;
1452 case MONO_MARSHAL_CONV_STR_LPSTR:
1453 return mono_string_to_lpstr;
1454 case MONO_MARSHAL_CONV_STR_BSTR:
1455 return mono_string_to_bstr;
1456 case MONO_MARSHAL_CONV_BSTR_STR:
1457 return mono_string_from_bstr;
1458 case MONO_MARSHAL_CONV_STR_TBSTR:
1459 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1460 return mono_string_to_ansibstr;
1461 case MONO_MARSHAL_CONV_SB_LPSTR:
1462 return mono_string_builder_to_utf8;
1463 case MONO_MARSHAL_CONV_SB_LPTSTR:
1465 return mono_string_builder_to_utf16;
1467 return mono_string_builder_to_utf8;
1469 case MONO_MARSHAL_CONV_SB_LPWSTR:
1470 return mono_string_builder_to_utf16;
1471 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1472 return mono_array_to_savearray;
1473 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1474 return mono_array_to_lparray;
1475 case MONO_MARSHAL_FREE_LPARRAY:
1476 return mono_free_lparray;
1477 case MONO_MARSHAL_CONV_DEL_FTN:
1478 return mono_delegate_to_ftnptr;
1479 case MONO_MARSHAL_CONV_FTN_DEL:
1480 return mono_ftnptr_to_delegate;
1481 case MONO_MARSHAL_CONV_LPSTR_SB:
1482 return mono_string_utf8_to_builder;
1483 case MONO_MARSHAL_CONV_LPTSTR_SB:
1485 return mono_string_utf16_to_builder;
1487 return mono_string_utf8_to_builder;
1489 case MONO_MARSHAL_CONV_LPWSTR_SB:
1490 return mono_string_utf16_to_builder;
1491 case MONO_MARSHAL_FREE_ARRAY:
1492 return mono_marshal_free_array;
1493 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1494 return mono_string_to_byvalstr;
1495 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1496 return mono_string_to_byvalwstr;
1498 g_assert_not_reached ();
1505 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1510 case MONO_MARSHAL_CONV_BOOL_I4:
1511 mono_mb_emit_ldloc (mb, 1);
1512 mono_mb_emit_ldloc (mb, 0);
1513 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1514 mono_mb_emit_byte (mb, CEE_STIND_I4);
1516 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1517 mono_mb_emit_ldloc (mb, 1);
1518 mono_mb_emit_ldloc (mb, 0);
1519 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1520 mono_mb_emit_byte (mb, CEE_NEG);
1521 mono_mb_emit_byte (mb, CEE_STIND_I2);
1523 case MONO_MARSHAL_CONV_STR_LPWSTR:
1524 case MONO_MARSHAL_CONV_STR_LPSTR:
1525 case MONO_MARSHAL_CONV_STR_LPTSTR:
1526 case MONO_MARSHAL_CONV_STR_BSTR:
1527 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1528 case MONO_MARSHAL_CONV_STR_TBSTR: {
1531 /* free space if free == true */
1532 mono_mb_emit_ldloc (mb, 2);
1533 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1534 mono_mb_emit_ldloc (mb, 1);
1535 mono_mb_emit_byte (mb, CEE_LDIND_I);
1536 mono_mb_emit_icall (mb, g_free);
1537 mono_mb_patch_short_branch (mb, pos);
1539 mono_mb_emit_ldloc (mb, 1);
1540 mono_mb_emit_ldloc (mb, 0);
1541 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1542 mono_mb_emit_icall (mb, conv_to_icall (conv));
1543 mono_mb_emit_byte (mb, CEE_STIND_I);
1546 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1547 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1548 case MONO_MARSHAL_CONV_DEL_FTN:
1549 mono_mb_emit_ldloc (mb, 1);
1550 mono_mb_emit_ldloc (mb, 0);
1551 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1552 mono_mb_emit_icall (mb, conv_to_icall (conv));
1553 mono_mb_emit_byte (mb, CEE_STIND_I);
1555 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1556 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1559 mono_mb_emit_ldloc (mb, 1); /* dst */
1560 mono_mb_emit_ldloc (mb, 0);
1561 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1562 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1563 mono_mb_emit_icall (mb, conv_to_icall (conv));
1566 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1567 MonoClass *eklass = NULL;
1570 if (type->type == MONO_TYPE_SZARRAY) {
1571 eklass = type->data.klass;
1573 g_assert_not_reached ();
1576 if (eklass->valuetype)
1577 esize = mono_class_native_size (eklass, NULL);
1579 esize = sizeof (gpointer);
1581 mono_mb_emit_ldloc (mb, 0);
1582 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1583 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1585 if (eklass->blittable) {
1586 mono_mb_emit_ldloc (mb, 1);
1587 mono_mb_emit_ldloc (mb, 0);
1588 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1589 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1590 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1591 mono_mb_emit_byte (mb, CEE_PREFIX1);
1592 mono_mb_emit_byte (mb, CEE_CPBLK);
1594 int array_var, src_var, dst_var, index_var;
1595 guint32 label2, label3;
1597 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1598 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1599 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1602 mono_mb_emit_ldloc (mb, 0);
1603 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1604 mono_mb_emit_stloc (mb, array_var);
1606 /* save the old src pointer */
1607 mono_mb_emit_ldloc (mb, 0);
1608 mono_mb_emit_stloc (mb, src_var);
1609 /* save the old dst pointer */
1610 mono_mb_emit_ldloc (mb, 1);
1611 mono_mb_emit_stloc (mb, dst_var);
1613 /* Emit marshalling loop */
1614 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1615 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1616 mono_mb_emit_stloc (mb, index_var);
1619 label2 = mono_mb_get_label (mb);
1620 mono_mb_emit_ldloc (mb, index_var);
1621 mono_mb_emit_ldloc (mb, array_var);
1622 mono_mb_emit_byte (mb, CEE_LDLEN);
1623 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1626 mono_mb_emit_ldloc (mb, array_var);
1627 mono_mb_emit_ldloc (mb, index_var);
1628 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1629 mono_mb_emit_stloc (mb, 0);
1631 /* dst is already set */
1633 /* Do the conversion */
1634 emit_struct_conv (mb, eklass, FALSE);
1637 mono_mb_emit_add_to_local (mb, index_var, 1);
1639 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1641 mono_mb_patch_branch (mb, label3);
1643 /* restore the old src pointer */
1644 mono_mb_emit_ldloc (mb, src_var);
1645 mono_mb_emit_stloc (mb, 0);
1646 /* restore the old dst pointer */
1647 mono_mb_emit_ldloc (mb, dst_var);
1648 mono_mb_emit_stloc (mb, 1);
1651 mono_mb_patch_branch (mb, pos);
1654 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1655 mono_mb_emit_ldloc (mb, 0);
1656 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1657 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1659 mono_mb_emit_ldloc (mb, 1);
1660 mono_mb_emit_ldloc (mb, 0);
1661 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1662 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1663 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1664 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1665 mono_mb_patch_short_branch (mb, pos);
1668 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1669 int src_var, dst_var;
1671 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1672 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1674 mono_mb_emit_ldloc (mb, 0);
1675 mono_mb_emit_byte (mb, CEE_LDIND_I);
1676 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1678 /* save the old src pointer */
1679 mono_mb_emit_ldloc (mb, 0);
1680 mono_mb_emit_stloc (mb, src_var);
1681 /* save the old dst pointer */
1682 mono_mb_emit_ldloc (mb, 1);
1683 mono_mb_emit_stloc (mb, dst_var);
1685 /* src = pointer to object data */
1686 mono_mb_emit_ldloc (mb, 0);
1687 mono_mb_emit_byte (mb, CEE_LDIND_I);
1688 mono_mb_emit_icon (mb, sizeof (MonoObject));
1689 mono_mb_emit_byte (mb, CEE_ADD);
1690 mono_mb_emit_stloc (mb, 0);
1692 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1694 /* restore the old src pointer */
1695 mono_mb_emit_ldloc (mb, src_var);
1696 mono_mb_emit_stloc (mb, 0);
1697 /* restore the old dst pointer */
1698 mono_mb_emit_ldloc (mb, dst_var);
1699 mono_mb_emit_stloc (mb, 1);
1701 mono_mb_patch_branch (mb, pos);
1706 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1707 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1708 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1709 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1711 #endif /* DISABLE_COM */
1713 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1714 int dar_release_slot, pos;
1716 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1719 * The following is ifdefed-out, because I have no way of doing the
1720 * DangerousRelease when destroying the structure
1723 /* set release = false */
1724 mono_mb_emit_icon (mb, 0);
1725 mono_mb_emit_stloc (mb, dar_release_slot);
1726 if (!sh_dangerous_add_ref)
1727 init_safe_handle ();
1729 /* safehandle.DangerousAddRef (ref release) */
1730 mono_mb_emit_ldloc (mb, 0); /* the source */
1731 mono_mb_emit_byte (mb, CEE_LDIND_I);
1732 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1733 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1735 mono_mb_emit_ldloc (mb, 0);
1736 mono_mb_emit_byte (mb, CEE_LDIND_I);
1737 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1738 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1739 mono_mb_patch_branch (mb, pos);
1741 /* Pull the handle field from SafeHandle */
1742 mono_mb_emit_ldloc (mb, 1);
1743 mono_mb_emit_ldloc (mb, 0);
1744 mono_mb_emit_byte (mb, CEE_LDIND_I);
1745 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1746 mono_mb_emit_byte (mb, CEE_LDIND_I);
1747 mono_mb_emit_byte (mb, CEE_STIND_I);
1751 case MONO_MARSHAL_CONV_HANDLEREF: {
1752 mono_mb_emit_ldloc (mb, 1);
1753 mono_mb_emit_ldloc (mb, 0);
1754 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1755 mono_mb_emit_byte (mb, CEE_ADD);
1756 mono_mb_emit_byte (mb, CEE_LDIND_I);
1757 mono_mb_emit_byte (mb, CEE_STIND_I);
1762 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1763 MonoException *exc = mono_get_exception_not_implemented (msg);
1764 g_warning ("%s", msg);
1766 mono_raise_exception (exc);
1772 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1773 MonoMarshalNative string_encoding)
1775 MonoMarshalType *info;
1779 emit_struct_conv(mb, klass->parent, to_object);
1781 info = mono_marshal_load_type_info (klass);
1783 if (info->native_size == 0)
1786 if (klass->blittable) {
1787 int msize = mono_class_value_size (klass, NULL);
1788 g_assert (msize == info->native_size);
1789 mono_mb_emit_ldloc (mb, 1);
1790 mono_mb_emit_ldloc (mb, 0);
1791 mono_mb_emit_icon (mb, msize);
1792 mono_mb_emit_byte (mb, CEE_PREFIX1);
1793 mono_mb_emit_byte (mb, CEE_CPBLK);
1795 mono_mb_emit_add_to_local (mb, 0, msize);
1796 mono_mb_emit_add_to_local (mb, 1, msize);
1800 if (klass != mono_defaults.safehandle_class) {
1801 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1802 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1803 mono_type_full_name (&klass->byval_arg));
1804 mono_mb_emit_exception_marshal_directive (mb, msg);
1809 for (i = 0; i < info->num_fields; i++) {
1810 MonoMarshalNative ntype;
1811 MonoMarshalConv conv;
1812 MonoType *ftype = info->fields [i].field->type;
1815 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1817 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1820 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1823 msize = klass->instance_size - info->fields [i].field->offset;
1824 usize = info->native_size - info->fields [i].offset;
1826 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1827 usize = info->fields [i + 1].offset - info->fields [i].offset;
1830 if (klass != mono_defaults.safehandle_class){
1832 * FIXME: Should really check for usize==0 and msize>0, but we apply
1833 * the layout to the managed structure as well.
1836 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1837 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1838 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1839 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1840 "reference field at the same offset as another field.",
1841 mono_type_full_name (&klass->byval_arg));
1846 case MONO_MARSHAL_CONV_NONE: {
1849 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1850 ftype->type == MONO_TYPE_U) {
1851 mono_mb_emit_ldloc (mb, 1);
1852 mono_mb_emit_ldloc (mb, 0);
1853 mono_mb_emit_byte (mb, CEE_LDIND_I);
1854 mono_mb_emit_byte (mb, CEE_STIND_I);
1865 case MONO_TYPE_BOOLEAN:
1868 case MONO_TYPE_CHAR:
1874 mono_mb_emit_ldloc (mb, 1);
1875 mono_mb_emit_ldloc (mb, 0);
1876 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1878 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1879 mono_mb_emit_byte (mb, CEE_STIND_I2);
1881 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1882 mono_mb_emit_byte (mb, CEE_STIND_I1);
1885 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1886 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1889 case MONO_TYPE_VALUETYPE: {
1890 int src_var, dst_var;
1892 if (ftype->data.klass->enumtype) {
1893 ftype = mono_class_enum_basetype (ftype->data.klass);
1897 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1898 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1900 /* save the old src pointer */
1901 mono_mb_emit_ldloc (mb, 0);
1902 mono_mb_emit_stloc (mb, src_var);
1903 /* save the old dst pointer */
1904 mono_mb_emit_ldloc (mb, 1);
1905 mono_mb_emit_stloc (mb, dst_var);
1907 emit_struct_conv (mb, ftype->data.klass, to_object);
1909 /* restore the old src pointer */
1910 mono_mb_emit_ldloc (mb, src_var);
1911 mono_mb_emit_stloc (mb, 0);
1912 /* restore the old dst pointer */
1913 mono_mb_emit_ldloc (mb, dst_var);
1914 mono_mb_emit_stloc (mb, 1);
1917 case MONO_TYPE_OBJECT: {
1918 mono_init_com_types ();
1920 static MonoMethod *variant_clear = NULL;
1921 static MonoMethod *get_object_for_native_variant = NULL;
1924 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
1925 if (!get_object_for_native_variant)
1926 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
1927 mono_mb_emit_ldloc (mb, 1);
1928 mono_mb_emit_ldloc (mb, 0);
1929 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
1930 mono_mb_emit_byte (mb, CEE_STIND_REF);
1932 mono_mb_emit_ldloc (mb, 0);
1933 mono_mb_emit_managed_call (mb, variant_clear, NULL);
1936 static MonoMethod *get_native_variant_for_object = NULL;
1938 if (!get_native_variant_for_object)
1939 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
1941 mono_mb_emit_ldloc (mb, 0);
1942 mono_mb_emit_byte(mb, CEE_LDIND_REF);
1943 mono_mb_emit_ldloc (mb, 1);
1944 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
1950 g_warning ("marshaling type %02x not implemented", ftype->type);
1951 g_assert_not_reached ();
1956 int src_var, dst_var;
1958 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1959 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1961 /* save the old src pointer */
1962 mono_mb_emit_ldloc (mb, 0);
1963 mono_mb_emit_stloc (mb, src_var);
1964 /* save the old dst pointer */
1965 mono_mb_emit_ldloc (mb, 1);
1966 mono_mb_emit_stloc (mb, dst_var);
1969 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
1971 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
1973 /* restore the old src pointer */
1974 mono_mb_emit_ldloc (mb, src_var);
1975 mono_mb_emit_stloc (mb, 0);
1976 /* restore the old dst pointer */
1977 mono_mb_emit_ldloc (mb, dst_var);
1978 mono_mb_emit_stloc (mb, 1);
1983 mono_mb_emit_add_to_local (mb, 0, usize);
1984 mono_mb_emit_add_to_local (mb, 1, msize);
1986 mono_mb_emit_add_to_local (mb, 0, msize);
1987 mono_mb_emit_add_to_local (mb, 1, usize);
1993 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1995 emit_struct_conv_full (mb, klass, to_object, -1);
1999 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2001 /* Call DestroyStructure */
2002 /* FIXME: Only do this if needed */
2003 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2004 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2005 mono_mb_emit_ldloc (mb, struct_var);
2006 mono_mb_emit_icall (mb, mono_struct_delete_old);
2010 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2014 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2015 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2016 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2018 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2019 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2021 mono_mb_emit_icall (mb, checkpoint_func);
2023 mono_mb_patch_branch (mb, pos_noabort);
2027 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2029 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2032 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2036 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2038 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2042 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2044 emit_thread_interrupt_checkpoint (mb);
2047 static MonoAsyncResult *
2048 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2050 MonoMethodMessage *msg;
2051 MonoDelegate *async_callback;
2052 MonoMulticastDelegate *mcast_delegate;
2056 MonoMethod *method = NULL, *method2 = NULL;
2058 g_assert (delegate);
2059 mcast_delegate = (MonoMulticastDelegate *) delegate;
2060 if (mcast_delegate->prev != NULL)
2061 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2063 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2065 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2066 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2068 /* If the target is a proxy, make a direct call. Is proxy's work
2069 // to make the call asynchronous.
2071 MonoAsyncResult *ares;
2073 MonoArray *out_args;
2074 method = delegate->method;
2076 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2077 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2078 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2079 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2080 MONO_OBJECT_SETREF (msg, async_result, ares);
2081 msg->call_type = CallType_BeginInvoke;
2084 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2086 mono_raise_exception ((MonoException *) exc);
2091 klass = delegate->object.vtable->klass;
2093 method = mono_get_delegate_invoke (klass);
2094 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2097 g_assert (method != NULL);
2099 im = mono_get_delegate_invoke (method->klass);
2100 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2102 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2106 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2108 int i, params_var, tmp_var;
2110 /* allocate local (pointer) *params[] */
2111 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2112 /* allocate local (pointer) tmp */
2113 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2115 /* alloate space on stack to store an array of pointers to the arguments */
2116 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2117 mono_mb_emit_byte (mb, CEE_PREFIX1);
2118 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2119 mono_mb_emit_stloc (mb, params_var);
2122 mono_mb_emit_ldloc (mb, params_var);
2123 mono_mb_emit_stloc (mb, tmp_var);
2125 if (save_this && sig->hasthis) {
2126 mono_mb_emit_ldloc (mb, tmp_var);
2127 mono_mb_emit_ldarg_addr (mb, 0);
2128 mono_mb_emit_byte (mb, CEE_STIND_I);
2129 /* tmp = tmp + sizeof (gpointer) */
2130 if (sig->param_count)
2131 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2135 for (i = 0; i < sig->param_count; i++) {
2136 mono_mb_emit_ldloc (mb, tmp_var);
2137 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2138 mono_mb_emit_byte (mb, CEE_STIND_I);
2139 /* tmp = tmp + sizeof (gpointer) */
2140 if (i < (sig->param_count - 1))
2141 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2148 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2152 GString *res = g_string_new ("");
2155 g_string_append (res, prefix);
2156 g_string_append_c (res, '_');
2159 mono_type_get_desc (res, sig->ret, FALSE);
2162 g_string_append (res, "__this__");
2164 for (i = 0; i < sig->param_count; ++i) {
2165 g_string_append_c (res, '_');
2166 mono_type_get_desc (res, sig->params [i], FALSE);
2169 g_string_free (res, FALSE);
2174 * mono_marshal_get_string_encoding:
2176 * Return the string encoding which should be used for a given parameter.
2178 static MonoMarshalNative
2179 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2181 /* First try the parameter marshal info */
2183 if (spec->native == MONO_NATIVE_LPARRAY) {
2184 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2185 return spec->data.array_data.elem_type;
2188 return spec->native;
2192 return MONO_NATIVE_LPSTR;
2194 /* Then try the method level marshal info */
2195 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2196 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2197 return MONO_NATIVE_LPSTR;
2198 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2199 return MONO_NATIVE_LPWSTR;
2200 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2202 return MONO_NATIVE_LPWSTR;
2204 return MONO_NATIVE_LPSTR;
2207 return MONO_NATIVE_LPSTR;
2211 static MonoMarshalConv
2212 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2214 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2217 case MONO_NATIVE_LPWSTR:
2218 return MONO_MARSHAL_CONV_STR_LPWSTR;
2219 case MONO_NATIVE_LPSTR:
2220 case MONO_NATIVE_VBBYREFSTR:
2221 return MONO_MARSHAL_CONV_STR_LPSTR;
2222 case MONO_NATIVE_LPTSTR:
2223 return MONO_MARSHAL_CONV_STR_LPTSTR;
2224 case MONO_NATIVE_BSTR:
2225 return MONO_MARSHAL_CONV_STR_BSTR;
2231 static MonoMarshalConv
2232 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2234 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2237 case MONO_NATIVE_LPWSTR:
2238 return MONO_MARSHAL_CONV_SB_LPWSTR;
2240 case MONO_NATIVE_LPSTR:
2241 return MONO_MARSHAL_CONV_SB_LPSTR;
2243 case MONO_NATIVE_LPTSTR:
2244 return MONO_MARSHAL_CONV_SB_LPTSTR;
2251 static MonoMarshalConv
2252 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2254 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2259 case MONO_NATIVE_LPWSTR:
2261 return MONO_MARSHAL_CONV_LPWSTR_STR;
2262 case MONO_NATIVE_LPSTR:
2263 case MONO_NATIVE_VBBYREFSTR:
2264 return MONO_MARSHAL_CONV_LPSTR_STR;
2265 case MONO_NATIVE_LPTSTR:
2266 return MONO_MARSHAL_CONV_LPTSTR_STR;
2267 case MONO_NATIVE_BSTR:
2268 return MONO_MARSHAL_CONV_BSTR_STR;
2274 static MonoMarshalConv
2275 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2277 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2282 case MONO_NATIVE_LPWSTR:
2284 * mono_string_builder_to_utf16 does not allocate a
2285 * new buffer, so no need to free it.
2288 return MONO_MARSHAL_CONV_LPWSTR_SB;
2289 case MONO_NATIVE_LPSTR:
2290 return MONO_MARSHAL_CONV_LPSTR_SB;
2292 case MONO_NATIVE_LPTSTR:
2293 return MONO_MARSHAL_CONV_LPTSTR_SB;
2301 * Return whenever a field of a native structure or an array member needs to
2305 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2307 MonoMarshalNative encoding;
2308 MonoMarshalConv conv;
2311 case MONO_TYPE_VALUETYPE:
2312 /* FIXME: Optimize this */
2314 case MONO_TYPE_OBJECT:
2315 case MONO_TYPE_CLASS:
2316 if (t->data.klass == mono_defaults.stringbuilder_class) {
2318 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2322 case MONO_TYPE_STRING:
2323 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2324 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2331 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2334 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2337 mono_marshal_lock ();
2340 g_hash_table_new (hash_func, equal_func);
2341 mono_memory_barrier ();
2344 mono_marshal_unlock ();
2350 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2353 mono_marshal_lock ();
2356 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2357 mono_memory_barrier ();
2360 mono_marshal_unlock ();
2366 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2368 return get_cache (var, hash_func, equal_func);
2372 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2376 mono_marshal_lock ();
2377 res = g_hash_table_lookup (cache, key);
2378 mono_marshal_unlock ();
2382 /* Create the method from the builder and place it in the cache */
2384 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2385 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2390 mono_marshal_lock ();
2391 res = g_hash_table_lookup (cache, key);
2392 mono_marshal_unlock ();
2395 newm = mono_mb_create_method (mb, sig, max_stack);
2396 mono_marshal_lock ();
2397 res = g_hash_table_lookup (cache, key);
2400 g_hash_table_insert (cache, key, res);
2401 mono_marshal_set_wrapper_info (res, key);
2402 mono_marshal_unlock ();
2404 mono_marshal_unlock ();
2405 mono_free_method (newm);
2413 static inline MonoMethod*
2414 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2416 MonoMethod *res = NULL;
2417 MonoRemotingMethods *wrps;
2419 mono_marshal_lock ();
2420 if (method->klass->image->remoting_invoke_cache)
2421 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2426 switch (wrapper_type) {
2427 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2428 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2429 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2430 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2434 /* it is important to do the unlock after the load from wrps, since in
2435 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2436 * to take the loader lock and some other thread may set the fields.
2438 mono_marshal_unlock ();
2442 /* Create the method from the builder and place it in the cache */
2443 static inline MonoMethod*
2444 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2445 MonoMethodSignature *sig, int max_stack)
2447 MonoMethod **res = NULL;
2448 MonoRemotingMethods *wrps;
2449 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2451 mono_marshal_lock ();
2452 wrps = g_hash_table_lookup (cache, key);
2454 wrps = g_new0 (MonoRemotingMethods, 1);
2455 g_hash_table_insert (cache, key, wrps);
2458 switch (mb->method->wrapper_type) {
2459 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2460 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2461 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2462 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2463 default: g_assert_not_reached (); break;
2465 mono_marshal_unlock ();
2469 newm = mono_mb_create_method (mb, sig, max_stack);
2471 mono_marshal_lock ();
2474 mono_marshal_set_wrapper_info (*res, key);
2475 mono_marshal_unlock ();
2477 mono_marshal_unlock ();
2478 mono_free_method (newm);
2486 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2489 int wrapper_type = wrapper->wrapper_type;
2491 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2494 switch (wrapper_type) {
2495 case MONO_WRAPPER_REMOTING_INVOKE:
2496 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2497 case MONO_WRAPPER_XDOMAIN_INVOKE:
2498 case MONO_WRAPPER_SYNCHRONIZED:
2499 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2500 case MONO_WRAPPER_RUNTIME_INVOKE:
2501 res = mono_method_get_wrapper_data (wrapper, 1);
2511 * mono_marshal_get_wrapper_info:
2513 * Retrieve the pointer stored by mono_marshal_set_wrapper_info.
2516 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2518 g_assert (wrapper->wrapper_type);
2520 return mono_method_get_wrapper_data (wrapper, 1);
2524 * mono_marshal_set_wrapper_info:
2526 * Store an arbitrary pointer inside the wrapper which is retrievable by
2527 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2528 * wrapper (method->wrapper_type).
2531 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2535 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2538 datav = ((MonoMethodWrapper *)method)->method_data;
2543 * get_wrapper_target_class:
2545 * Return the class where a wrapper method should be placed.
2548 get_wrapper_target_class (MonoImage *image)
2554 * - can't put all wrappers into an mscorlib class, because they reference
2555 * metadata (signature) so they should be put into the same image as the
2556 * method they wrap, so they are unloaded together.
2557 * - putting them into a class with a type initalizer could cause the
2558 * initializer to be executed which can be a problem if the wrappers are
2560 * - putting them into an inflated class can cause problems if the the
2561 * class is deleted because it references an image which is unloaded.
2562 * To avoid these problems, we put the wrappers into the <Module> class of
2566 klass = ((MonoDynamicImage*)image)->wrappers_type;
2568 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2575 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2577 MonoMethodSignature *sig;
2578 MonoMethodBuilder *mb;
2584 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2585 !strcmp (method->name, "BeginInvoke"));
2587 sig = mono_signature_no_pinvoke (method);
2589 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2590 (GHashFunc)mono_signature_hash,
2591 (GCompareFunc)mono_metadata_signature_equal);
2592 if ((res = mono_marshal_find_in_cache (cache, sig)))
2595 g_assert (sig->hasthis);
2597 name = mono_signature_to_name (sig, "begin_invoke");
2598 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2601 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2603 mono_mb_emit_ldarg (mb, 0);
2604 mono_mb_emit_ldloc (mb, params_var);
2605 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2606 mono_mb_emit_byte (mb, CEE_RET);
2608 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2614 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2616 MonoDomain *domain = mono_domain_get ();
2617 MonoAsyncResult *ares;
2618 MonoMethod *method = NULL;
2619 MonoMethodSignature *sig;
2620 MonoMethodMessage *msg;
2621 MonoObject *res, *exc;
2622 MonoArray *out_args;
2625 g_assert (delegate);
2627 if (!delegate->method_info) {
2628 g_assert (delegate->method);
2629 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2632 if (!delegate->method_info || !delegate->method_info->method)
2633 g_assert_not_reached ();
2635 klass = delegate->object.vtable->klass;
2637 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2638 g_assert (method != NULL);
2640 sig = mono_signature_no_pinvoke (method);
2642 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2644 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2646 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingException", "The async result object is null or of an unexpected type."));
2650 if (ares->async_delegate != (MonoObject*)delegate) {
2651 mono_raise_exception (mono_get_exception_invalid_operation (
2652 "The IAsyncResult object provided does not match this delegate."));
2656 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2657 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2658 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2659 mono_message_init (domain, msg, delegate->method_info, NULL);
2660 msg->call_type = CallType_EndInvoke;
2661 MONO_OBJECT_SETREF (msg, async_result, ares);
2662 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2664 res = mono_thread_pool_finish (ares, &out_args, &exc);
2668 if (((MonoException*)exc)->stack_trace) {
2669 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2671 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2673 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2676 mono_raise_exception ((MonoException*)exc);
2679 mono_method_return_message_restore (method, params, out_args);
2684 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2686 MonoType *t = mono_type_get_underlying_type (return_type);
2688 if (return_type->byref)
2689 return_type = &mono_defaults.int_class->byval_arg;
2692 case MONO_TYPE_VOID:
2693 g_assert_not_reached ();
2696 case MONO_TYPE_STRING:
2697 case MONO_TYPE_CLASS:
2698 case MONO_TYPE_OBJECT:
2699 case MONO_TYPE_ARRAY:
2700 case MONO_TYPE_SZARRAY:
2704 case MONO_TYPE_BOOLEAN:
2707 case MONO_TYPE_CHAR:
2717 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2718 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2720 case MONO_TYPE_GENERICINST:
2721 if (!mono_type_generic_inst_is_valuetype (t))
2724 case MONO_TYPE_VALUETYPE: {
2725 MonoClass *klass = mono_class_from_mono_type (return_type);
2726 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2727 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2731 g_warning ("type 0x%x not handled", return_type->type);
2732 g_assert_not_reached ();
2735 mono_mb_emit_byte (mb, CEE_RET);
2739 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2741 MonoMethodSignature *sig;
2742 MonoMethodBuilder *mb;
2748 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2749 !strcmp (method->name, "EndInvoke"));
2751 sig = mono_signature_no_pinvoke (method);
2753 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
2754 (GHashFunc)mono_signature_hash,
2755 (GCompareFunc)mono_metadata_signature_equal);
2756 if ((res = mono_marshal_find_in_cache (cache, sig)))
2759 g_assert (sig->hasthis);
2761 name = mono_signature_to_name (sig, "end_invoke");
2762 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2765 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2767 mono_mb_emit_ldarg (mb, 0);
2768 mono_mb_emit_ldloc (mb, params_var);
2769 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2771 if (sig->ret->type == MONO_TYPE_VOID) {
2772 mono_mb_emit_byte (mb, CEE_POP);
2773 mono_mb_emit_byte (mb, CEE_RET);
2775 mono_mb_emit_restore_result (mb, sig->ret);
2777 res = mono_mb_create_and_cache (cache, sig,
2778 mb, sig, sig->param_count + 16);
2785 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2787 MonoMethodMessage *msg;
2788 MonoTransparentProxy *this;
2789 MonoObject *res, *exc;
2790 MonoArray *out_args;
2792 this = *((MonoTransparentProxy **)params [0]);
2795 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2797 /* skip the this pointer */
2800 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2803 MonoMethodSignature *sig = mono_method_signature (method);
2804 int count = sig->param_count;
2805 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2807 for (i=0; i<count; i++) {
2808 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2809 if (class->valuetype) {
2810 if (sig->params [i]->byref) {
2811 mparams[i] = *((gpointer *)params [i]);
2813 /* runtime_invoke expects a boxed instance */
2814 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
2815 mparams[i] = mono_nullable_box (params [i], class);
2817 mparams[i] = params [i];
2820 mparams[i] = *((gpointer**)params [i]);
2824 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2827 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2829 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2832 mono_raise_exception ((MonoException *)exc);
2834 mono_method_return_message_restore (method, params, out_args);
2840 mono_marshal_get_remoting_invoke (MonoMethod *method)
2842 MonoMethodSignature *sig;
2843 MonoMethodBuilder *mb;
2849 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2852 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
2853 if (method->klass->is_com_object || method->klass == mono_defaults.com_object_class) {
2854 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
2855 g_assert (vtable); /*FIXME do proper error handling*/
2857 if (!vtable->remote) {
2859 return mono_cominterop_get_invoke (method);
2861 g_assert_not_reached ();
2866 sig = mono_signature_no_pinvoke (method);
2868 /* we cant remote methods without this pointer */
2872 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2875 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2876 mb->method->save_lmf = 1;
2878 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2880 mono_mb_emit_ptr (mb, method);
2881 mono_mb_emit_ldloc (mb, params_var);
2882 mono_mb_emit_icall (mb, mono_remoting_wrapper);
2883 emit_thread_interrupt_checkpoint (mb);
2885 if (sig->ret->type == MONO_TYPE_VOID) {
2886 mono_mb_emit_byte (mb, CEE_POP);
2887 mono_mb_emit_byte (mb, CEE_RET);
2889 mono_mb_emit_restore_result (mb, sig->ret);
2892 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2898 /* mono_get_xdomain_marshal_type()
2899 * Returns the kind of marshalling that a type needs for cross domain calls.
2901 static MonoXDomainMarshalType
2902 mono_get_xdomain_marshal_type (MonoType *t)
2905 case MONO_TYPE_VOID:
2906 g_assert_not_reached ();
2910 case MONO_TYPE_BOOLEAN:
2913 case MONO_TYPE_CHAR:
2920 return MONO_MARSHAL_NONE;
2921 case MONO_TYPE_STRING:
2922 return MONO_MARSHAL_COPY;
2923 case MONO_TYPE_ARRAY:
2924 case MONO_TYPE_SZARRAY: {
2925 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2926 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2927 return MONO_MARSHAL_COPY;
2932 return MONO_MARSHAL_SERIALIZE;
2936 /* mono_marshal_xdomain_copy_value
2937 * Makes a copy of "val" suitable for the current domain.
2940 mono_marshal_xdomain_copy_value (MonoObject *val)
2943 if (val == NULL) return NULL;
2945 domain = mono_domain_get ();
2947 switch (mono_object_class (val)->byval_arg.type) {
2948 case MONO_TYPE_VOID:
2949 g_assert_not_reached ();
2953 case MONO_TYPE_BOOLEAN:
2956 case MONO_TYPE_CHAR:
2962 case MONO_TYPE_R8: {
2963 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2965 case MONO_TYPE_STRING: {
2966 MonoString *str = (MonoString *) val;
2967 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2969 case MONO_TYPE_ARRAY:
2970 case MONO_TYPE_SZARRAY: {
2972 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2973 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2974 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2975 if (mt == MONO_MARSHAL_COPY) {
2976 int i, len = mono_array_length (acopy);
2977 for (i = 0; i < len; i++) {
2978 MonoObject *item = mono_array_get (acopy, gpointer, i);
2979 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2982 return (MonoObject *) acopy;
2986 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2987 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2988 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2989 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
2990 newsb->length = oldsb->length;
2991 newsb->max_capacity = (gint32)0x7fffffff;
2992 return (MonoObject *) newsb;
2997 /* mono_marshal_xdomain_copy_out_value()
2998 * Copies the contents of the src instance into the dst instance. src and dst
2999 * must have the same type, and if they are arrays, the same size.
3002 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3004 if (src == NULL || dst == NULL) return;
3006 g_assert (mono_object_class (src) == mono_object_class (dst));
3008 switch (mono_object_class (src)->byval_arg.type) {
3009 case MONO_TYPE_ARRAY:
3010 case MONO_TYPE_SZARRAY: {
3011 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3012 if (mt == MONO_MARSHAL_SERIALIZE) return;
3013 if (mt == MONO_MARSHAL_COPY) {
3014 int i, len = mono_array_length ((MonoArray *)dst);
3015 for (i = 0; i < len; i++) {
3016 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3017 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3020 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3026 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3027 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3028 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3030 MONO_OBJECT_SETREF (dst_sb, str, mono_string_new_utf16 (mono_object_domain (dst), mono_string_chars (src_sb->str), mono_string_length (src_sb->str)));
3031 dst_sb->cached_str = NULL;
3032 dst_sb->length = src_sb->length;
3037 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3039 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3040 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3044 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3046 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3049 /* mono_marshal_supports_fast_xdomain()
3050 * Returns TRUE if the method can use the fast xdomain wrapper.
3053 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3055 return !method->klass->contextbound &&
3056 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3060 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3062 MonoDomain *current_domain = mono_domain_get ();
3063 MonoDomain *domain = mono_domain_get_by_id (id);
3065 if (!domain || !mono_domain_set (domain, FALSE))
3066 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3069 mono_thread_push_appdomain_ref (domain);
3071 mono_thread_pop_appdomain_ref ();
3073 return current_domain->domain_id;
3077 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3079 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3082 /* mono_marshal_emit_load_domain_method ()
3083 * Loads into the stack a pointer to the code of the provided method for
3084 * the current domain.
3087 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3089 /* We need a pointer to the method for the running domain (not the domain
3090 * that compiles the method).
3092 mono_mb_emit_ptr (mb, method);
3093 mono_mb_emit_icall (mb, mono_compile_method);
3096 /* mono_marshal_check_domain_image ()
3097 * Returns TRUE if the image is loaded in the specified
3098 * application domain.
3101 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3106 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3110 mono_domain_assemblies_lock (domain);
3111 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3113 if (ass->image == image)
3116 mono_domain_assemblies_unlock (domain);
3121 /* mono_marshal_get_xappdomain_dispatch ()
3122 * Generates a method that dispatches a method call from another domain into
3123 * the current domain.
3126 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3128 MonoMethodSignature *sig, *csig;
3129 MonoMethodBuilder *mb;
3131 int i, j, param_index, copy_locals_base;
3132 MonoClass *ret_class = NULL;
3133 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3134 MonoExceptionClause *main_clause;
3136 gboolean copy_return;
3138 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3141 sig = mono_method_signature (method);
3142 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3145 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3146 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3147 csig->params [j++] = &byte_array_class->this_arg;
3148 csig->params [j++] = &byte_array_class->this_arg;
3149 for (i = 0; i < sig->param_count; i++) {
3150 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3151 csig->params [j++] = sig->params [i];
3154 csig->ret = sig->ret;
3156 csig->ret = &mono_defaults.void_class->byval_arg;
3158 csig->hasthis = FALSE;
3160 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3161 mb->method->save_lmf = 1;
3165 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3166 if (complex_count > 0)
3167 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3168 if (sig->ret->type != MONO_TYPE_VOID) {
3169 loc_return = mono_mb_add_local (mb, sig->ret);
3170 ret_class = mono_class_from_mono_type (sig->ret);
3175 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3176 main_clause->try_offset = mono_mb_get_label (mb);
3178 /* Clean the call context */
3180 mono_mb_emit_byte (mb, CEE_LDNULL);
3181 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3182 mono_mb_emit_byte (mb, CEE_POP);
3184 /* Deserialize call data */
3186 mono_mb_emit_ldarg (mb, 1);
3187 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3188 mono_mb_emit_byte (mb, CEE_DUP);
3189 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3191 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3192 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3194 if (complex_count > 0)
3195 mono_mb_emit_stloc (mb, loc_array);
3197 mono_mb_emit_byte (mb, CEE_POP);
3199 mono_mb_patch_short_branch (mb, pos);
3201 /* Get the target object */
3203 mono_mb_emit_ldarg (mb, 0);
3204 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3206 /* Load the arguments */
3208 copy_locals_base = mb->locals;
3209 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3211 for (i = 0; i < sig->param_count; i++) {
3212 MonoType *pt = sig->params [i];
3213 MonoClass *pclass = mono_class_from_mono_type (pt);
3214 switch (marshal_types [i]) {
3215 case MONO_MARSHAL_SERIALIZE: {
3216 /* take the value from the serialized array */
3217 mono_mb_emit_ldloc (mb, loc_array);
3218 mono_mb_emit_icon (mb, j++);
3220 if (pclass->valuetype) {
3221 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3222 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3224 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3227 if (pclass->valuetype) {
3228 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3229 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3230 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3232 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3233 if (pclass != mono_defaults.object_class) {
3234 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3240 case MONO_MARSHAL_COPY_OUT: {
3241 /* Keep a local copy of the value since we need to copy it back after the call */
3242 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3243 mono_mb_emit_ldarg (mb, param_index++);
3244 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3245 mono_mb_emit_byte (mb, CEE_DUP);
3246 mono_mb_emit_stloc (mb, copy_local);
3249 case MONO_MARSHAL_COPY: {
3250 mono_mb_emit_ldarg (mb, param_index);
3252 mono_mb_emit_byte (mb, CEE_DUP);
3253 mono_mb_emit_byte (mb, CEE_DUP);
3254 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3255 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3256 mono_mb_emit_byte (mb, CEE_STIND_REF);
3258 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3263 case MONO_MARSHAL_NONE:
3264 mono_mb_emit_ldarg (mb, param_index++);
3269 /* Make the call to the real object */
3271 emit_thread_force_interrupt_checkpoint (mb);
3273 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3275 if (sig->ret->type != MONO_TYPE_VOID)
3276 mono_mb_emit_stloc (mb, loc_return);
3278 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3282 for (i = 0; i < sig->param_count; i++) {
3283 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3284 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3285 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3286 mono_mb_emit_ldarg (mb, param_index);
3287 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3292 /* Serialize the return values */
3294 if (complex_out_count > 0) {
3295 /* Reset parameters in the array that don't need to be serialized back */
3297 for (i = 0; i < sig->param_count; i++) {
3298 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3299 if (!sig->params [i]->byref) {
3300 mono_mb_emit_ldloc (mb, loc_array);
3301 mono_mb_emit_icon (mb, j);
3302 mono_mb_emit_byte (mb, CEE_LDNULL);
3303 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3308 /* Add the return value to the array */
3310 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3311 mono_mb_emit_ldloc (mb, loc_array);
3312 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3313 mono_mb_emit_ldloc (mb, loc_return);
3315 g_assert (ret_class); /*FIXME properly fail here*/
3316 if (ret_class->valuetype) {
3317 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3319 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3324 mono_mb_emit_ldarg (mb, 1);
3325 mono_mb_emit_ldloc (mb, loc_array);
3326 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3327 mono_mb_emit_byte (mb, CEE_STIND_REF);
3328 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3329 mono_mb_emit_ldarg (mb, 1);
3330 mono_mb_emit_ldloc (mb, loc_return);
3331 if (ret_class->valuetype) {
3332 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3334 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3335 mono_mb_emit_byte (mb, CEE_STIND_REF);
3337 mono_mb_emit_ldarg (mb, 1);
3338 mono_mb_emit_byte (mb, CEE_LDNULL);
3339 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3340 mono_mb_emit_byte (mb, CEE_STIND_REF);
3343 mono_mb_emit_ldarg (mb, 2);
3344 mono_mb_emit_byte (mb, CEE_LDNULL);
3345 mono_mb_emit_byte (mb, CEE_STIND_REF);
3346 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3348 /* Main exception catch */
3349 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3350 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3351 main_clause->data.catch_class = mono_defaults.object_class;
3354 main_clause->handler_offset = mono_mb_get_label (mb);
3355 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3356 mono_mb_emit_stloc (mb, loc_serialized_exc);
3357 mono_mb_emit_ldarg (mb, 2);
3358 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3359 mono_mb_emit_byte (mb, CEE_STIND_REF);
3360 mono_mb_emit_branch (mb, CEE_LEAVE);
3361 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3364 mono_mb_patch_branch (mb, pos_leave);
3367 mono_mb_emit_ldloc (mb, loc_return);
3369 mono_mb_emit_byte (mb, CEE_RET);
3371 mono_mb_set_clauses (mb, 1, main_clause);
3373 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3379 /* mono_marshal_get_xappdomain_invoke ()
3380 * Generates a fast remoting wrapper for cross app domain calls.
3383 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3385 MonoMethodSignature *sig;
3386 MonoMethodBuilder *mb;
3388 int i, j, complex_count, complex_out_count, copy_locals_base;
3390 MonoClass *ret_class = NULL;
3391 MonoMethod *xdomain_method;
3392 int ret_marshal_type = MONO_MARSHAL_NONE;
3393 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3394 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3395 int pos, pos_dispatch, pos_noex;
3396 gboolean copy_return = FALSE;
3400 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3403 /* we cant remote methods without this pointer */
3404 if (!mono_method_signature (method)->hasthis)
3407 if (!mono_marshal_supports_fast_xdomain (method))
3408 return mono_marshal_get_remoting_invoke (method);
3410 mono_remoting_marshal_init ();
3412 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3415 sig = mono_signature_no_pinvoke (method);
3417 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3418 mb->method->save_lmf = 1;
3420 /* Count the number of parameters that need to be serialized */
3422 marshal_types = alloca (sizeof (int) * sig->param_count);
3423 complex_count = complex_out_count = 0;
3424 for (i = 0; i < sig->param_count; i++) {
3425 MonoType *ptype = sig->params[i];
3426 int mt = mono_get_xdomain_marshal_type (ptype);
3428 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3429 * the copy will be made by reusing the original object instance
3431 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3432 mt = MONO_MARSHAL_COPY_OUT;
3433 else if (mt == MONO_MARSHAL_SERIALIZE) {
3435 if (ptype->byref) complex_out_count++;
3437 marshal_types [i] = mt;
3440 if (sig->ret->type != MONO_TYPE_VOID) {
3441 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3442 ret_class = mono_class_from_mono_type (sig->ret);
3443 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3448 if (complex_count > 0)
3449 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3450 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3451 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3453 loc_return = mono_mb_add_local (mb, sig->ret);
3454 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3455 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3456 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3457 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3459 /* Save thread domain data */
3461 mono_mb_emit_icall (mb, mono_context_get);
3462 mono_mb_emit_byte (mb, CEE_DUP);
3463 mono_mb_emit_stloc (mb, loc_context);
3465 /* If the thread is not running in the default context, it needs to go
3466 * through the whole remoting sink, since the context is going to change
3468 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3469 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3471 /* Another case in which the fast path can't be used: when the target domain
3472 * has a different image for the same assembly.
3475 /* Get the target domain id */
3477 mono_mb_emit_ldarg (mb, 0);
3478 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3479 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3480 mono_mb_emit_byte (mb, CEE_DUP);
3481 mono_mb_emit_stloc (mb, loc_real_proxy);
3483 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3484 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3485 mono_mb_emit_stloc (mb, loc_domainid);
3487 /* Check if the target domain has the same image for the required assembly */
3489 mono_mb_emit_ldloc (mb, loc_domainid);
3490 mono_mb_emit_ptr (mb, method->klass->image);
3491 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3492 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3494 /* Use the whole remoting sink to dispatch this message */
3496 mono_mb_patch_short_branch (mb, pos);
3498 mono_mb_emit_ldarg (mb, 0);
3499 for (i = 0; i < sig->param_count; i++)
3500 mono_mb_emit_ldarg (mb, i + 1);
3502 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3503 mono_mb_emit_byte (mb, CEE_RET);
3504 mono_mb_patch_short_branch (mb, pos_dispatch);
3506 /* Create the array that will hold the parameters to be serialized */
3508 if (complex_count > 0) {
3509 mono_mb_emit_icon (mb, (ret_marshal_type == MONO_MARSHAL_SERIALIZE && complex_out_count > 0) ? complex_count + 1 : complex_count); /* +1 for the return type */
3510 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3513 for (i = 0; i < sig->param_count; i++) {
3515 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3516 pclass = mono_class_from_mono_type (sig->params[i]);
3517 mono_mb_emit_byte (mb, CEE_DUP);
3518 mono_mb_emit_icon (mb, j);
3519 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3520 if (sig->params[i]->byref) {
3521 if (pclass->valuetype)
3522 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3524 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3526 if (pclass->valuetype)
3527 mono_mb_emit_op (mb, CEE_BOX, pclass);
3528 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3531 mono_mb_emit_stloc (mb, loc_array);
3533 /* Serialize parameters */
3535 mono_mb_emit_ldloc (mb, loc_array);
3536 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3537 mono_mb_emit_stloc (mb, loc_serialized_data);
3539 mono_mb_emit_byte (mb, CEE_LDNULL);
3540 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3541 mono_mb_emit_stloc (mb, loc_serialized_data);
3546 mono_mb_emit_ldloc (mb, loc_domainid);
3547 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3548 mono_marshal_emit_switch_domain (mb);
3549 mono_mb_emit_stloc (mb, loc_old_domainid);
3551 /* Load the arguments */
3553 mono_mb_emit_ldloc (mb, loc_real_proxy);
3554 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3555 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3557 copy_locals_base = mb->locals;
3558 for (i = 0; i < sig->param_count; i++) {
3559 switch (marshal_types [i]) {
3560 case MONO_MARSHAL_SERIALIZE:
3562 case MONO_MARSHAL_COPY: {
3563 mono_mb_emit_ldarg (mb, i+1);
3564 if (sig->params [i]->byref) {
3565 /* make a local copy of the byref parameter. The real parameter
3566 * will be updated after the xdomain call
3568 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3569 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3570 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3571 mono_mb_emit_stloc (mb, copy_local);
3572 mono_mb_emit_ldloc_addr (mb, copy_local);
3576 case MONO_MARSHAL_COPY_OUT:
3577 case MONO_MARSHAL_NONE:
3578 mono_mb_emit_ldarg (mb, i+1);
3583 /* Make the call to the invoke wrapper in the target domain */
3585 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3586 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3587 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3590 mono_mb_emit_stloc (mb, loc_return);
3594 mono_mb_emit_ldloc (mb, loc_old_domainid);
3595 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3596 mono_marshal_emit_switch_domain (mb);
3597 mono_mb_emit_byte (mb, CEE_POP);
3599 /* Restore thread domain data */
3601 mono_mb_emit_ldloc (mb, loc_context);
3602 mono_mb_emit_icall (mb, mono_context_set);
3604 /* if (loc_serialized_exc != null) ... */
3606 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3607 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3609 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3610 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3611 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3612 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3613 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3614 mono_mb_emit_byte (mb, CEE_THROW);
3615 mono_mb_patch_short_branch (mb, pos_noex);
3617 /* copy back non-serialized output parameters */
3620 for (i = 0; i < sig->param_count; i++) {
3621 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3622 mono_mb_emit_ldarg (mb, i + 1);
3623 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3624 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3625 mono_mb_emit_byte (mb, CEE_STIND_REF);
3628 /* Deserialize out parameters */
3630 if (complex_out_count > 0) {
3631 mono_mb_emit_ldloc (mb, loc_serialized_data);
3632 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3633 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3634 mono_mb_emit_stloc (mb, loc_array);
3636 /* Copy back output parameters and return type */
3639 for (i = 0; i < sig->param_count; i++) {
3640 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3641 if (sig->params[i]->byref) {
3642 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3643 mono_mb_emit_ldarg (mb, i + 1);
3644 mono_mb_emit_ldloc (mb, loc_array);
3645 mono_mb_emit_icon (mb, j);
3646 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3647 if (pclass->valuetype) {
3648 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3649 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3650 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3652 if (pclass != mono_defaults.object_class)
3653 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3654 mono_mb_emit_byte (mb, CEE_STIND_REF);
3660 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3661 mono_mb_emit_ldloc (mb, loc_array);
3662 mono_mb_emit_icon (mb, complex_count);
3663 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3664 if (ret_class->valuetype) {
3665 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3666 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3669 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3670 mono_mb_emit_ldloc (mb, loc_serialized_data);
3671 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3672 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3673 if (ret_class->valuetype) {
3674 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3675 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3676 } else if (ret_class != mono_defaults.object_class) {
3677 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
3680 mono_mb_emit_ldloc (mb, loc_serialized_data);
3681 mono_mb_emit_byte (mb, CEE_DUP);
3682 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3683 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3685 mono_mb_patch_short_branch (mb, pos);
3686 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3687 mono_mb_emit_byte (mb, CEE_POP);
3691 mono_mb_emit_ldloc (mb, loc_return);
3692 if (ret_marshal_type == MONO_MARSHAL_COPY)
3693 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3696 mono_mb_emit_byte (mb, CEE_RET);
3698 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3705 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3707 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
3708 return mono_marshal_get_xappdomain_invoke (method);
3709 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
3711 return mono_cominterop_get_invoke (method);
3713 g_assert_not_reached ();
3716 return mono_marshal_get_remoting_invoke (method);
3722 G_GNUC_UNUSED static gpointer
3723 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3725 if (rp->target_domain_id != -1)
3726 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3728 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3732 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3734 MonoMethodSignature *sig;
3735 MonoMethodBuilder *mb;
3736 MonoMethod *res, *native;
3737 int i, pos, pos_rem;
3741 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3744 /* we cant remote methods without this pointer */
3745 g_assert (mono_method_signature (method)->hasthis);
3747 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3750 sig = mono_signature_no_pinvoke (method);
3752 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3754 for (i = 0; i <= sig->param_count; i++)
3755 mono_mb_emit_ldarg (mb, i);
3757 mono_mb_emit_ldarg (mb, 0);
3758 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3760 if (mono_marshal_supports_fast_xdomain (method)) {
3761 mono_mb_emit_ldarg (mb, 0);
3762 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3764 /* wrapper for cross app domain calls */
3765 native = mono_marshal_get_xappdomain_invoke (method);
3766 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3767 mono_mb_emit_byte (mb, CEE_RET);
3769 mono_mb_patch_branch (mb, pos_rem);
3771 /* wrapper for normal remote calls */
3772 native = mono_marshal_get_remoting_invoke (method);
3773 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3774 mono_mb_emit_byte (mb, CEE_RET);
3777 mono_mb_patch_branch (mb, pos);
3778 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3779 mono_mb_emit_byte (mb, CEE_RET);
3781 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3789 MonoMethodSignature *sig;
3791 } SignatureMethodPair;
3794 signature_method_pair_hash (gconstpointer data)
3796 SignatureMethodPair *pair = (SignatureMethodPair*)data;
3798 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
3802 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
3804 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
3808 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
3810 SignatureMethodPair *pair = (SignatureMethodPair*)key;
3811 MonoMethod *method = (MonoMethod*)user_data;
3813 return pair->method == method;
3817 free_signature_method_pair (SignatureMethodPair *pair)
3823 * the returned method invokes all methods in a multicast delegate.
3826 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3828 MonoMethodSignature *sig, *static_sig, *invoke_sig;
3830 MonoMethodBuilder *mb;
3831 MonoMethod *res, *newm;
3833 SignatureMethodPair key;
3834 SignatureMethodPair *new_key;
3835 int local_prev, local_target;
3838 MonoMethod *target_method = NULL;
3839 MonoClass *target_class = NULL;
3840 gboolean callvirt = FALSE;
3841 gboolean closed_over_null = FALSE;
3842 gboolean static_method_with_first_arg_bound = FALSE;
3845 * If the delegate target is null, and the target method is not static, a virtual
3846 * call is made to that method with the first delegate argument as this. This is
3847 * a non-documented .NET feature.
3849 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3851 target_method = del->method;
3852 if (target_method->is_inflated) {
3853 MonoType *target_type;
3855 g_assert (method->signature->hasthis);
3856 target_type = mono_class_inflate_generic_type (method->signature->params [0],
3857 mono_method_get_context (method));
3858 target_class = mono_class_from_mono_type (target_type);
3860 target_class = del->method->klass;
3864 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3865 !strcmp (method->name, "Invoke"));
3867 invoke_sig = sig = mono_signature_no_pinvoke (method);
3870 closed_over_null = sig->param_count == mono_method_signature (del->method)->param_count;
3872 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
3873 invoke_sig = mono_method_signature (del->method);
3874 target_method = del->method;
3875 static_method_with_first_arg_bound = TRUE;
3878 if (callvirt || static_method_with_first_arg_bound) {
3879 GHashTable **cache_ptr;
3880 if (static_method_with_first_arg_bound)
3881 cache_ptr = &method->klass->image->delegate_bound_static_invoke_cache;
3883 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
3885 /* We need to cache the signature+method pair */
3886 mono_marshal_lock ();
3888 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
3890 key.sig = invoke_sig;
3891 key.method = target_method;
3892 res = g_hash_table_lookup (cache, &key);
3893 mono_marshal_unlock ();
3897 cache = get_cache (&method->klass->image->delegate_invoke_cache,
3898 (GHashFunc)mono_signature_hash,
3899 (GCompareFunc)mono_metadata_signature_equal);
3900 if ((res = mono_marshal_find_in_cache (cache, sig)))
3904 static_sig = signature_dup (method->klass->image, sig);
3905 static_sig->hasthis = 0;
3906 if (!static_method_with_first_arg_bound)
3907 invoke_sig = static_sig;
3909 name = mono_signature_to_name (sig, "invoke");
3910 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
3913 /* allocate local 0 (object) */
3914 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3915 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3917 g_assert (sig->hasthis);
3921 * prev.Invoke( args .. );
3922 * return this.<target>( args .. );
3925 /* this wrapper can be used in unmanaged-managed transitions */
3926 emit_thread_interrupt_checkpoint (mb);
3928 /* get this->prev */
3929 mono_mb_emit_ldarg (mb, 0);
3930 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3931 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3932 mono_mb_emit_stloc (mb, local_prev);
3933 mono_mb_emit_ldloc (mb, local_prev);
3935 /* if prev != null */
3936 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3940 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3941 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
3943 mono_mb_emit_ldloc (mb, local_prev);
3944 for (i = 0; i < sig->param_count; i++)
3945 mono_mb_emit_ldarg (mb, i + 1);
3946 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3947 if (sig->ret->type != MONO_TYPE_VOID)
3948 mono_mb_emit_byte (mb, CEE_POP);
3950 /* continued or prev == null */
3951 mono_mb_patch_branch (mb, pos0);
3953 /* get this->target */
3954 mono_mb_emit_ldarg (mb, 0);
3955 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3956 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3957 mono_mb_emit_stloc (mb, local_target);
3959 /*static methods with bound first arg can have null target and still be bound*/
3960 if (!static_method_with_first_arg_bound) {
3961 /* if target != null */
3962 mono_mb_emit_ldloc (mb, local_target);
3963 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3965 /* then call this->method_ptr nonstatic */
3968 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
3970 mono_mb_emit_ldloc (mb, local_target);
3971 for (i = 0; i < sig->param_count; ++i)
3972 mono_mb_emit_ldarg (mb, i + 1);
3973 mono_mb_emit_ldarg (mb, 0);
3974 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3975 mono_mb_emit_byte (mb, CEE_LDIND_I );
3976 mono_mb_emit_op (mb, CEE_CALLI, sig);
3978 mono_mb_emit_byte (mb, CEE_RET);
3981 /* else [target == null] call this->method_ptr static */
3982 mono_mb_patch_branch (mb, pos0);
3986 if (!closed_over_null) {
3987 mono_mb_emit_ldarg (mb, 1);
3988 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
3989 for (i = 1; i < sig->param_count; ++i)
3990 mono_mb_emit_ldarg (mb, i + 1);
3991 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
3993 mono_mb_emit_byte (mb, CEE_LDNULL);
3994 for (i = 0; i < sig->param_count; ++i)
3995 mono_mb_emit_ldarg (mb, i + 1);
3996 mono_mb_emit_op (mb, CEE_CALL, target_method);
3999 if (static_method_with_first_arg_bound) {
4000 mono_mb_emit_ldloc (mb, local_target);
4001 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4002 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4004 for (i = 0; i < sig->param_count; ++i)
4005 mono_mb_emit_ldarg (mb, i + 1);
4006 mono_mb_emit_ldarg (mb, 0);
4007 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4008 mono_mb_emit_byte (mb, CEE_LDIND_I );
4009 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4012 mono_mb_emit_byte (mb, CEE_RET);
4014 if (static_method_with_first_arg_bound || callvirt) {
4015 // From mono_mb_create_and_cache
4016 mb->skip_visibility = 1;
4017 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
4018 /*We perform double checked locking, so must fence before publishing*/
4019 mono_memory_barrier ();
4020 mono_marshal_lock ();
4021 res = g_hash_table_lookup (cache, &key);
4024 new_key = g_new0 (SignatureMethodPair, 1);
4026 g_hash_table_insert (cache, new_key, res);
4027 mono_marshal_set_wrapper_info (res, new_key);
4028 mono_marshal_unlock ();
4030 mono_marshal_unlock ();
4031 mono_free_method (newm);
4034 mb->skip_visibility = 1;
4035 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
4043 * signature_dup_add_this:
4045 * Make a copy of @sig, adding an explicit this argument.
4047 static MonoMethodSignature*
4048 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
4050 MonoMethodSignature *res;
4053 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
4054 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4055 res->param_count = sig->param_count + 1;
4056 res->hasthis = FALSE;
4057 for (i = sig->param_count - 1; i >= 0; i --)
4058 res->params [i + 1] = sig->params [i];
4059 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4065 MonoMethodSignature *ctor_sig;
4066 MonoMethodSignature *sig;
4069 /* protected by the marshal lock, contains CtorSigPair pointers */
4070 static GSList *strsig_list = NULL;
4072 static MonoMethodSignature *
4073 lookup_string_ctor_signature (MonoMethodSignature *sig)
4075 MonoMethodSignature *callsig;
4079 mono_marshal_lock ();
4081 for (item = strsig_list; item; item = item->next) {
4083 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4084 * because it is lock-free.
4086 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4091 mono_marshal_unlock ();
4095 static MonoMethodSignature *
4096 add_string_ctor_signature (MonoMethod *method)
4098 MonoMethodSignature *callsig;
4101 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4102 callsig->ret = &mono_defaults.string_class->byval_arg;
4103 cs = g_new (CtorSigPair, 1);
4105 cs->ctor_sig = mono_method_signature (method);
4107 mono_marshal_lock ();
4108 strsig_list = g_slist_prepend (strsig_list, cs);
4109 mono_marshal_unlock ();
4114 * mono_marshal_get_string_ctor_signature:
4116 * Return the modified signature used by string ctors (they return the newly created
4119 MonoMethodSignature*
4120 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4122 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4124 sig = add_string_ctor_signature (method);
4130 get_runtime_invoke_type (MonoType *t, gboolean ret)
4133 /* Can't share this with 'I' as that needs another indirection */
4136 if (MONO_TYPE_IS_REFERENCE (t))
4137 return &mono_defaults.object_class->byval_arg;
4140 /* The result needs to be boxed */
4146 return &mono_defaults.sbyte_class->byval_arg;
4148 return &mono_defaults.int16_class->byval_arg;
4150 return &mono_defaults.int32_class->byval_arg;
4152 return &mono_defaults.int64_class->byval_arg;
4153 case MONO_TYPE_BOOLEAN:
4154 return &mono_defaults.sbyte_class->byval_arg;
4155 case MONO_TYPE_CHAR:
4156 return &mono_defaults.int16_class->byval_arg;
4159 return &mono_defaults.int_class->byval_arg;
4160 case MONO_TYPE_VALUETYPE:
4161 if (t->data.klass->enumtype) {
4162 t = mono_class_enum_basetype (t->data.klass);
4172 * mono_marshal_get_runtime_invoke_sig:
4174 * Return a common signature used for sharing runtime invoke wrappers.
4176 static MonoMethodSignature*
4177 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4179 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4182 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4183 for (i = 0; i < res->param_count; ++i)
4184 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4190 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4192 /* Can't share wrappers which return a vtype since it needs to be boxed */
4193 if (sig1->ret != sig2->ret && !(MONO_TYPE_IS_REFERENCE (sig1->ret) && MONO_TYPE_IS_REFERENCE (sig2->ret)) && !mono_metadata_type_equal (sig1->ret, sig2->ret))
4196 return mono_metadata_signature_equal (sig1, sig2);
4202 * Emit the call to the wrapper method from a runtime invoke wrapper.
4205 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4206 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4208 gboolean virtual, gboolean need_direct_wrapper)
4210 static MonoString *string_dummy = NULL;
4212 int *tmp_nullable_locals;
4213 gboolean void_ret = FALSE;
4215 /* to make it work with our special string constructors */
4216 if (!string_dummy) {
4217 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4218 string_dummy = mono_string_new_wrapper ("dummy");
4222 g_assert (sig->hasthis);
4223 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4227 if (method->string_ctor) {
4228 mono_mb_emit_ptr (mb, string_dummy);
4230 mono_mb_emit_ldarg (mb, 0);
4234 tmp_nullable_locals = g_new0 (int, sig->param_count);
4236 for (i = 0; i < sig->param_count; i++) {
4237 MonoType *t = sig->params [i];
4240 mono_mb_emit_ldarg (mb, 1);
4242 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4243 mono_mb_emit_byte (mb, CEE_ADD);
4247 mono_mb_emit_byte (mb, CEE_LDIND_I);
4248 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4249 * So to make this work we unbox it to a local variablee and push a reference to that.
4251 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4252 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4254 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4255 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4256 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4261 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4262 type = sig->params [i]->type;
4266 case MONO_TYPE_BOOLEAN:
4270 case MONO_TYPE_CHAR:
4279 mono_mb_emit_byte (mb, CEE_LDIND_I);
4280 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4282 case MONO_TYPE_STRING:
4283 case MONO_TYPE_CLASS:
4284 case MONO_TYPE_ARRAY:
4286 case MONO_TYPE_SZARRAY:
4287 case MONO_TYPE_OBJECT:
4288 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4290 case MONO_TYPE_GENERICINST:
4291 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4292 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4297 case MONO_TYPE_VALUETYPE:
4298 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4299 type = mono_class_enum_basetype (t->data.klass)->type;
4302 mono_mb_emit_byte (mb, CEE_LDIND_I);
4303 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4304 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4305 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4306 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4308 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4312 g_assert_not_reached ();
4317 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4318 } else if (need_direct_wrapper) {
4319 mono_mb_emit_op (mb, CEE_CALL, method);
4321 mono_mb_emit_ldarg (mb, 3);
4322 mono_mb_emit_calli (mb, callsig);
4325 if (sig->ret->byref) {
4327 g_assert_not_reached ();
4330 switch (sig->ret->type) {
4331 case MONO_TYPE_VOID:
4332 if (!method->string_ctor)
4335 case MONO_TYPE_BOOLEAN:
4336 case MONO_TYPE_CHAR:
4349 case MONO_TYPE_VALUETYPE:
4350 case MONO_TYPE_TYPEDBYREF:
4351 case MONO_TYPE_GENERICINST:
4352 /* box value types */
4353 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4355 case MONO_TYPE_STRING:
4356 case MONO_TYPE_CLASS:
4357 case MONO_TYPE_ARRAY:
4358 case MONO_TYPE_SZARRAY:
4359 case MONO_TYPE_OBJECT:
4363 /* The result is an IntPtr */
4364 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4367 g_assert_not_reached ();
4371 mono_mb_emit_stloc (mb, loc_res);
4373 /* Convert back nullable-byref arguments */
4374 for (i = 0; i < sig->param_count; i++) {
4375 MonoType *t = sig->params [i];
4378 * Box the result and put it back into the array, the caller will have
4379 * to obtain it from there.
4381 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4382 mono_mb_emit_ldarg (mb, 1);
4383 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4384 mono_mb_emit_byte (mb, CEE_ADD);
4386 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4387 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4389 mono_mb_emit_byte (mb, CEE_STIND_REF);
4393 g_free (tmp_nullable_locals);
4397 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4398 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4399 gboolean virtual, gboolean need_direct_wrapper)
4402 MonoExceptionClause *clause;
4403 int loc_res, loc_exc;
4405 /* The wrapper looks like this:
4411 * } catch (Exception e) {
4419 /* allocate local 0 (object) tmp */
4420 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4421 /* allocate local 1 (object) exc */
4422 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4424 /* *exc is assumed to be initialized to NULL by the caller */
4426 mono_mb_emit_byte (mb, CEE_LDARG_2);
4427 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4432 labels [1] = mono_mb_get_label (mb);
4433 emit_thread_force_interrupt_checkpoint (mb);
4434 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4436 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4438 /* Add a try clause around the call */
4439 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4440 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4441 clause->data.catch_class = mono_defaults.exception_class;
4442 clause->try_offset = labels [1];
4443 clause->try_len = mono_mb_get_label (mb) - labels [1];
4445 clause->handler_offset = mono_mb_get_label (mb);
4448 mono_mb_emit_stloc (mb, loc_exc);
4449 mono_mb_emit_byte (mb, CEE_LDARG_2);
4450 mono_mb_emit_ldloc (mb, loc_exc);
4451 mono_mb_emit_byte (mb, CEE_STIND_REF);
4453 mono_mb_emit_branch (mb, CEE_LEAVE);
4455 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4457 mono_mb_set_clauses (mb, 1, clause);
4459 mono_mb_patch_branch (mb, labels [2]);
4460 mono_mb_emit_ldloc (mb, loc_res);
4461 mono_mb_emit_byte (mb, CEE_RET);
4466 mono_mb_patch_branch (mb, labels [0]);
4467 emit_thread_force_interrupt_checkpoint (mb);
4468 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4470 mono_mb_emit_ldloc (mb, 0);
4471 mono_mb_emit_byte (mb, CEE_RET);
4475 * generates IL code for the runtime invoke function
4476 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4478 * we also catch exceptions if exc != null
4479 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4480 * it means that the compiled code for METHOD does not have to be looked up
4481 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4482 * its METHOD argument.
4485 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4487 MonoMethodSignature *sig, *csig, *callsig;
4488 MonoMethodBuilder *mb;
4489 GHashTable *cache = NULL;
4490 MonoClass *target_klass;
4491 MonoMethod *res = NULL;
4492 static MonoMethodSignature *cctor_signature = NULL;
4493 static MonoMethodSignature *finalize_signature = NULL;
4495 gboolean need_direct_wrapper = FALSE;
4499 if (!cctor_signature) {
4500 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4501 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4503 if (!finalize_signature) {
4504 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4505 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4506 finalize_signature->hasthis = 1;
4510 need_direct_wrapper = TRUE;
4513 * Use a separate cache indexed by methods to speed things up and to avoid the
4514 * boundless mempool growth caused by the signature_dup stuff below.
4517 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4519 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4520 res = mono_marshal_find_in_cache (cache, method);
4524 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4525 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4527 * Array Get/Set/Address methods. The JIT implements them using inline code
4528 * so we need to create an invoke wrapper which calls the method directly.
4530 need_direct_wrapper = TRUE;
4533 if (method->string_ctor) {
4534 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4536 callsig = add_string_ctor_signature (method);
4537 /* Can't share this as we push a string as this */
4538 need_direct_wrapper = TRUE;
4540 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4542 * Valuetype methods receive a managed pointer as the this argument.
4543 * Create a new signature to reflect this.
4545 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4546 /* Can't share this as it would be shared with static methods taking an IntPtr argument */
4547 need_direct_wrapper = TRUE;
4549 if (method->dynamic)
4550 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4552 callsig = mono_method_signature (method);
4556 target_klass = get_wrapper_target_class (method->klass->image);
4558 /* Try to share wrappers for non-corlib methods with simple signatures */
4559 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4560 callsig = cctor_signature;
4561 target_klass = mono_defaults.object_class;
4562 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4563 callsig = finalize_signature;
4564 target_klass = mono_defaults.object_class;
4567 if (need_direct_wrapper) {
4568 /* Already searched at the start */
4570 MonoMethodSignature *tmp_sig;
4572 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4574 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4575 (GHashFunc)mono_signature_hash,
4576 (GCompareFunc)runtime_invoke_signature_equal);
4578 /* from mono_marshal_find_in_cache */
4579 mono_marshal_lock ();
4580 res = g_hash_table_lookup (cache, callsig);
4581 mono_marshal_unlock ();
4588 /* Make a copy of the signature from the image mempool */
4590 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4594 sig = mono_method_signature (method);
4596 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4598 csig->ret = &mono_defaults.object_class->byval_arg;
4599 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4600 csig->params [0] = callsig->params [0];
4602 csig->params [0] = &mono_defaults.object_class->byval_arg;
4603 csig->params [1] = &mono_defaults.int_class->byval_arg;
4604 csig->params [2] = &mono_defaults.int_class->byval_arg;
4605 csig->params [3] = &mono_defaults.int_class->byval_arg;
4608 /* This is called from runtime code so it has to be cdecl */
4609 csig->call_convention = MONO_CALL_C;
4612 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
4613 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4616 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
4618 if (need_direct_wrapper) {
4619 mb->skip_visibility = 1;
4620 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
4622 /* taken from mono_mb_create_and_cache */
4623 mono_marshal_lock ();
4624 res = g_hash_table_lookup (cache, callsig);
4625 mono_marshal_unlock ();
4627 /* Somebody may have created it before us */
4630 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
4632 mono_marshal_lock ();
4633 res = g_hash_table_lookup (cache, callsig);
4636 g_hash_table_insert (cache, callsig, res);
4637 /* Can't insert it into wrapper_hash since the key is a signature */
4638 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
4640 mono_free_method (newm);
4642 mono_marshal_unlock ();
4645 /* end mono_mb_create_and_cache */
4654 * mono_marshal_get_runtime_invoke_dynamic:
4656 * Return a method which can be used to invoke managed methods from native code
4658 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4659 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4660 * ARGS should point to an architecture specific structure containing
4661 * the arguments and space for the return value.
4662 * The other arguments are the same as for runtime_invoke (), except that
4663 * ARGS should contain the this argument too.
4664 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4665 * is only one copy of it, which is useful in full-aot.
4668 mono_marshal_get_runtime_invoke_dynamic (void)
4670 static MonoMethod *method;
4671 MonoMethodSignature *csig;
4672 MonoExceptionClause *clause;
4673 MonoMethodBuilder *mb;
4680 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4682 csig->ret = &mono_defaults.void_class->byval_arg;
4683 csig->params [0] = &mono_defaults.int_class->byval_arg;
4684 csig->params [1] = &mono_defaults.int_class->byval_arg;
4685 csig->params [2] = &mono_defaults.int_class->byval_arg;
4686 csig->params [3] = &mono_defaults.int_class->byval_arg;
4688 name = g_strdup ("runtime_invoke_dynamic");
4689 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4692 /* allocate local 0 (object) tmp */
4693 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4694 /* allocate local 1 (object) exc */
4695 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4697 /* cond set *exc to null */
4698 mono_mb_emit_byte (mb, CEE_LDARG_1);
4699 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4700 mono_mb_emit_byte (mb, 3);
4701 mono_mb_emit_byte (mb, CEE_LDARG_1);
4702 mono_mb_emit_byte (mb, CEE_LDNULL);
4703 mono_mb_emit_byte (mb, CEE_STIND_REF);
4705 emit_thread_force_interrupt_checkpoint (mb);
4707 mono_mb_emit_byte (mb, CEE_LDARG_0);
4708 mono_mb_emit_byte (mb, CEE_LDARG_2);
4709 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4710 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
4712 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4714 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
4715 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4716 clause->try_len = mono_mb_get_label (mb);
4719 clause->data.filter_offset = mono_mb_get_label (mb);
4721 mono_mb_emit_byte (mb, CEE_POP);
4722 mono_mb_emit_byte (mb, CEE_LDARG_1);
4723 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4724 mono_mb_emit_byte (mb, CEE_PREFIX1);
4725 mono_mb_emit_byte (mb, CEE_CGT_UN);
4726 mono_mb_emit_byte (mb, CEE_PREFIX1);
4727 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4729 clause->handler_offset = mono_mb_get_label (mb);
4732 /* store exception */
4733 mono_mb_emit_stloc (mb, 1);
4735 mono_mb_emit_byte (mb, CEE_LDARG_1);
4736 mono_mb_emit_ldloc (mb, 1);
4737 mono_mb_emit_byte (mb, CEE_STIND_REF);
4739 mono_mb_emit_byte (mb, CEE_LDNULL);
4740 mono_mb_emit_stloc (mb, 0);
4742 /* Check for the abort exception */
4743 mono_mb_emit_ldloc (mb, 1);
4744 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4745 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4747 /* Delay the abort exception */
4748 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
4750 mono_mb_patch_short_branch (mb, posna);
4751 mono_mb_emit_branch (mb, CEE_LEAVE);
4753 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4755 mono_mb_set_clauses (mb, 1, clause);
4758 mono_mb_patch_branch (mb, pos);
4759 //mono_mb_emit_ldloc (mb, 0);
4760 mono_mb_emit_byte (mb, CEE_RET);
4762 mono_loader_lock ();
4763 /* double-checked locking */
4765 method = mono_mb_create_method (mb, csig, 16);
4767 mono_loader_unlock ();
4775 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4777 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4778 klass->name_space, klass->name);
4780 mono_mb_emit_exception_marshal_directive (mb, msg);
4784 * mono_marshal_get_ldfld_remote_wrapper:
4785 * @klass: The return type
4787 * This method generates a wrapper for calling mono_load_remote_field_new.
4788 * The return type is ignored for now, as mono_load_remote_field_new () always
4789 * returns an object. In the future, to optimize some codepaths, we might
4790 * call a different function that takes a pointer to a valuetype, instead.
4793 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4795 MonoMethodSignature *sig, *csig;
4796 MonoMethodBuilder *mb;
4798 static MonoMethod* cached = NULL;
4800 mono_marshal_lock ();
4802 mono_marshal_unlock ();
4805 mono_marshal_unlock ();
4807 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
4809 mb->method->save_lmf = 1;
4811 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4812 sig->params [0] = &mono_defaults.object_class->byval_arg;
4813 sig->params [1] = &mono_defaults.int_class->byval_arg;
4814 sig->params [2] = &mono_defaults.int_class->byval_arg;
4815 sig->ret = &mono_defaults.object_class->byval_arg;
4817 mono_mb_emit_ldarg (mb, 0);
4818 mono_mb_emit_ldarg (mb, 1);
4819 mono_mb_emit_ldarg (mb, 2);
4821 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4822 csig->params [0] = &mono_defaults.object_class->byval_arg;
4823 csig->params [1] = &mono_defaults.int_class->byval_arg;
4824 csig->params [2] = &mono_defaults.int_class->byval_arg;
4825 csig->ret = &mono_defaults.object_class->byval_arg;
4828 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4829 emit_thread_interrupt_checkpoint (mb);
4831 mono_mb_emit_byte (mb, CEE_RET);
4833 mono_marshal_lock ();
4835 mono_marshal_unlock ();
4838 newm = mono_mb_create_method (mb, sig, 4);
4839 mono_marshal_lock ();
4844 mono_marshal_unlock ();
4846 mono_marshal_unlock ();
4847 mono_free_method (newm);
4856 * mono_marshal_get_ldfld_wrapper:
4857 * @type: the type of the field
4859 * This method generates a function which can be use to load a field with type
4860 * @type from an object. The generated function has the following signature:
4861 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4864 mono_marshal_get_ldfld_wrapper (MonoType *type)
4866 MonoMethodSignature *sig;
4867 MonoMethodBuilder *mb;
4872 int t, pos0, pos1 = 0;
4874 type = mono_type_get_underlying_type (type);
4879 if (type->type == MONO_TYPE_SZARRAY) {
4880 klass = mono_defaults.array_class;
4881 } else if (type->type == MONO_TYPE_VALUETYPE) {
4882 klass = type->data.klass;
4883 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4884 klass = mono_defaults.object_class;
4885 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4886 klass = mono_defaults.int_class;
4887 } else if (t == MONO_TYPE_GENERICINST) {
4888 if (mono_type_generic_inst_is_valuetype (type))
4889 klass = mono_class_from_mono_type (type);
4891 klass = mono_defaults.object_class;
4893 klass = mono_class_from_mono_type (type);
4896 klass = mono_defaults.int_class;
4899 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
4900 if ((res = mono_marshal_find_in_cache (cache, klass)))
4903 /* we add the %p pointer value of klass because class names are not unique */
4904 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4905 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4908 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4909 sig->params [0] = &mono_defaults.object_class->byval_arg;
4910 sig->params [1] = &mono_defaults.int_class->byval_arg;
4911 sig->params [2] = &mono_defaults.int_class->byval_arg;
4912 sig->params [3] = &mono_defaults.int_class->byval_arg;
4913 sig->ret = &klass->byval_arg;
4915 mono_mb_emit_ldarg (mb, 0);
4916 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4918 mono_mb_emit_ldarg (mb, 0);
4919 mono_mb_emit_ldarg (mb, 1);
4920 mono_mb_emit_ldarg (mb, 2);
4922 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4925 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4926 csig->params [0] = &mono_defaults.object_class->byval_arg;
4927 csig->params [1] = &mono_defaults.int_class->byval_arg;
4928 csig->params [2] = &mono_defaults.int_class->byval_arg;
4929 csig->ret = &klass->this_arg;
4932 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4933 emit_thread_interrupt_checkpoint (mb);
4936 if (klass->valuetype) {
4937 mono_mb_emit_op (mb, CEE_UNBOX, klass);
4938 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4940 mono_mb_emit_byte (mb, CEE_RET);
4944 mono_mb_patch_branch (mb, pos0);
4946 mono_mb_emit_ldarg (mb, 0);
4947 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4948 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4949 mono_mb_emit_ldarg (mb, 3);
4950 mono_mb_emit_byte (mb, CEE_ADD);
4952 if (klass->valuetype)
4953 mono_mb_patch_branch (mb, pos1);
4958 case MONO_TYPE_BOOLEAN:
4959 case MONO_TYPE_CHAR:
4968 case MONO_TYPE_ARRAY:
4969 case MONO_TYPE_SZARRAY:
4970 case MONO_TYPE_OBJECT:
4971 case MONO_TYPE_CLASS:
4972 case MONO_TYPE_STRING:
4976 case MONO_TYPE_FNPTR:
4977 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4979 case MONO_TYPE_VALUETYPE:
4980 g_assert (!klass->enumtype);
4981 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4983 case MONO_TYPE_GENERICINST:
4984 if (mono_type_generic_inst_is_valuetype (type)) {
4985 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4987 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4991 g_warning ("type %x not implemented", type->type);
4992 g_assert_not_reached ();
4995 mono_mb_emit_byte (mb, CEE_RET);
4997 res = mono_mb_create_and_cache (cache, klass,
4998 mb, sig, sig->param_count + 16);
5005 * mono_marshal_get_ldflda_wrapper:
5006 * @type: the type of the field
5008 * This method generates a function which can be used to load a field address
5009 * from an object. The generated function has the following signature:
5010 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5013 mono_marshal_get_ldflda_wrapper (MonoType *type)
5015 MonoMethodSignature *sig;
5016 MonoMethodBuilder *mb;
5021 int t, pos0, pos1, pos2, pos3;
5023 type = mono_type_get_underlying_type (type);
5027 if (type->type == MONO_TYPE_SZARRAY) {
5028 klass = mono_defaults.array_class;
5029 } else if (type->type == MONO_TYPE_VALUETYPE) {
5030 klass = type->data.klass;
5031 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5032 t == MONO_TYPE_CLASS) {
5033 klass = mono_defaults.object_class;
5034 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5035 klass = mono_defaults.int_class;
5036 } else if (t == MONO_TYPE_GENERICINST) {
5037 if (mono_type_generic_inst_is_valuetype (type))
5038 klass = mono_class_from_mono_type (type);
5040 klass = mono_defaults.object_class;
5042 klass = mono_class_from_mono_type (type);
5045 klass = mono_defaults.int_class;
5048 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5049 if ((res = mono_marshal_find_in_cache (cache, klass)))
5052 /* we add the %p pointer value of klass because class names are not unique */
5053 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5054 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5057 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5058 sig->params [0] = &mono_defaults.object_class->byval_arg;
5059 sig->params [1] = &mono_defaults.int_class->byval_arg;
5060 sig->params [2] = &mono_defaults.int_class->byval_arg;
5061 sig->params [3] = &mono_defaults.int_class->byval_arg;
5062 sig->ret = &mono_defaults.int_class->byval_arg;
5064 /* if typeof (this) != transparent_proxy goto pos0 */
5065 mono_mb_emit_ldarg (mb, 0);
5066 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5068 /* if same_appdomain goto pos1 */
5069 mono_mb_emit_ldarg (mb, 0);
5070 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5072 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5074 /* same app domain */
5075 mono_mb_patch_branch (mb, pos1);
5077 /* if typeof (this) != contextbound goto pos2 */
5078 mono_mb_emit_ldarg (mb, 0);
5079 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5081 /* if this->rp->context == mono_context_get goto pos3 */
5082 mono_mb_emit_ldarg (mb, 0);
5083 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5084 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5085 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5086 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5087 mono_mb_emit_icall (mb, mono_context_get);
5088 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5090 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5092 mono_mb_patch_branch (mb, pos2);
5093 mono_mb_patch_branch (mb, pos3);
5095 /* return the address of the field from this->rp->unwrapped_server */
5096 mono_mb_emit_ldarg (mb, 0);
5097 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5098 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5099 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5100 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5101 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5102 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5103 mono_mb_emit_ldarg (mb, 3);
5104 mono_mb_emit_byte (mb, CEE_ADD);
5105 mono_mb_emit_byte (mb, CEE_RET);
5107 /* not a proxy: return the address of the field directly */
5108 mono_mb_patch_branch (mb, pos0);
5110 mono_mb_emit_ldarg (mb, 0);
5111 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5112 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5113 mono_mb_emit_ldarg (mb, 3);
5114 mono_mb_emit_byte (mb, CEE_ADD);
5116 mono_mb_emit_byte (mb, CEE_RET);
5118 res = mono_mb_create_and_cache (cache, klass,
5119 mb, sig, sig->param_count + 16);
5126 * mono_marshal_get_stfld_remote_wrapper:
5127 * klass: The type of the field
5129 * This function generates a wrapper for calling mono_store_remote_field_new
5130 * with the appropriate signature.
5131 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5132 * klass argument anymore.
5135 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5137 MonoMethodSignature *sig, *csig;
5138 MonoMethodBuilder *mb;
5140 static MonoMethod *cached = NULL;
5142 mono_marshal_lock ();
5144 mono_marshal_unlock ();
5147 mono_marshal_unlock ();
5149 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5151 mb->method->save_lmf = 1;
5153 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5154 sig->params [0] = &mono_defaults.object_class->byval_arg;
5155 sig->params [1] = &mono_defaults.int_class->byval_arg;
5156 sig->params [2] = &mono_defaults.int_class->byval_arg;
5157 sig->params [3] = &mono_defaults.object_class->byval_arg;
5158 sig->ret = &mono_defaults.void_class->byval_arg;
5160 mono_mb_emit_ldarg (mb, 0);
5161 mono_mb_emit_ldarg (mb, 1);
5162 mono_mb_emit_ldarg (mb, 2);
5163 mono_mb_emit_ldarg (mb, 3);
5165 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5166 csig->params [0] = &mono_defaults.object_class->byval_arg;
5167 csig->params [1] = &mono_defaults.int_class->byval_arg;
5168 csig->params [2] = &mono_defaults.int_class->byval_arg;
5169 csig->params [3] = &mono_defaults.object_class->byval_arg;
5170 csig->ret = &mono_defaults.void_class->byval_arg;
5173 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5174 emit_thread_interrupt_checkpoint (mb);
5176 mono_mb_emit_byte (mb, CEE_RET);
5178 mono_marshal_lock ();
5180 mono_marshal_unlock ();
5183 newm = mono_mb_create_method (mb, sig, 6);
5184 mono_marshal_lock ();
5189 mono_marshal_unlock ();
5191 mono_marshal_unlock ();
5192 mono_free_method (newm);
5201 * mono_marshal_get_stfld_wrapper:
5202 * @type: the type of the field
5204 * This method generates a function which can be use to store a field with type
5205 * @type. The generated function has the following signature:
5206 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5209 mono_marshal_get_stfld_wrapper (MonoType *type)
5211 MonoMethodSignature *sig;
5212 MonoMethodBuilder *mb;
5219 type = mono_type_get_underlying_type (type);
5223 if (type->type == MONO_TYPE_SZARRAY) {
5224 klass = mono_defaults.array_class;
5225 } else if (type->type == MONO_TYPE_VALUETYPE) {
5226 klass = type->data.klass;
5227 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5228 klass = mono_defaults.object_class;
5229 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5230 klass = mono_defaults.int_class;
5231 } else if (t == MONO_TYPE_GENERICINST) {
5232 if (mono_type_generic_inst_is_valuetype (type))
5233 klass = mono_class_from_mono_type (type);
5235 klass = mono_defaults.object_class;
5237 klass = mono_class_from_mono_type (type);
5240 klass = mono_defaults.int_class;
5243 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5244 if ((res = mono_marshal_find_in_cache (cache, klass)))
5247 /* we add the %p pointer value of klass because class names are not unique */
5248 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5249 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5252 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5253 sig->params [0] = &mono_defaults.object_class->byval_arg;
5254 sig->params [1] = &mono_defaults.int_class->byval_arg;
5255 sig->params [2] = &mono_defaults.int_class->byval_arg;
5256 sig->params [3] = &mono_defaults.int_class->byval_arg;
5257 sig->params [4] = &klass->byval_arg;
5258 sig->ret = &mono_defaults.void_class->byval_arg;
5260 mono_mb_emit_ldarg (mb, 0);
5261 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5263 mono_mb_emit_ldarg (mb, 0);
5264 mono_mb_emit_ldarg (mb, 1);
5265 mono_mb_emit_ldarg (mb, 2);
5266 mono_mb_emit_ldarg (mb, 4);
5267 if (klass->valuetype)
5268 mono_mb_emit_op (mb, CEE_BOX, klass);
5270 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5272 mono_mb_emit_byte (mb, CEE_RET);
5274 mono_mb_patch_branch (mb, pos);
5276 mono_mb_emit_ldarg (mb, 0);
5277 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5278 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5279 mono_mb_emit_ldarg (mb, 3);
5280 mono_mb_emit_byte (mb, CEE_ADD);
5281 mono_mb_emit_ldarg (mb, 4);
5286 case MONO_TYPE_BOOLEAN:
5287 case MONO_TYPE_CHAR:
5296 case MONO_TYPE_ARRAY:
5297 case MONO_TYPE_SZARRAY:
5298 case MONO_TYPE_OBJECT:
5299 case MONO_TYPE_CLASS:
5300 case MONO_TYPE_STRING:
5304 case MONO_TYPE_FNPTR:
5305 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5307 case MONO_TYPE_VALUETYPE:
5308 g_assert (!klass->enumtype);
5309 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5311 case MONO_TYPE_GENERICINST:
5312 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5315 g_warning ("type %x not implemented", type->type);
5316 g_assert_not_reached ();
5319 mono_mb_emit_byte (mb, CEE_RET);
5321 res = mono_mb_create_and_cache (cache, klass,
5322 mb, sig, sig->param_count + 16);
5329 * generates IL code for the icall wrapper (the generated method
5330 * calls the unmanaged code in func)
5333 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5335 MonoMethodSignature *csig, *csig2;
5336 MonoMethodBuilder *mb;
5340 g_assert (sig->pinvoke);
5342 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5344 mb->method->save_lmf = 1;
5346 /* Add an explicit this argument */
5348 csig2 = signature_dup_add_this (sig, mono_defaults.object_class);
5350 csig2 = signature_dup (mono_defaults.corlib, sig);
5353 mono_mb_emit_byte (mb, CEE_LDARG_0);
5355 for (i = 0; i < sig->param_count; i++)
5356 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5358 mono_mb_emit_native_call (mb, csig2, (gpointer) func);
5359 if (check_exceptions)
5360 emit_thread_interrupt_checkpoint (mb);
5361 mono_mb_emit_byte (mb, CEE_RET);
5363 csig = signature_dup (mono_defaults.corlib, sig);
5365 if (csig->call_convention == MONO_CALL_VARARG)
5366 csig->call_convention = 0;
5368 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5375 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5376 MonoMarshalSpec *spec,
5377 int conv_arg, MonoType **conv_arg_type,
5378 MarshalAction action)
5382 static MonoClass *ICustomMarshaler = NULL;
5383 static MonoMethod *cleanup_native, *cleanup_managed;
5384 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5385 MonoMethod *get_instance;
5386 MonoMethodBuilder *mb = m->mb;
5387 char *exception_msg = NULL;
5391 if (!ICustomMarshaler) {
5392 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5393 if (!ICustomMarshaler) {
5394 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5395 goto handle_exception;
5398 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5399 g_assert (cleanup_native);
5400 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5401 g_assert (cleanup_managed);
5402 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5403 g_assert (marshal_managed_to_native);
5404 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5405 g_assert (marshal_native_to_managed);
5408 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5409 g_assert (mtype != NULL);
5410 mklass = mono_class_from_mono_type (mtype);
5411 g_assert (mklass != NULL);
5413 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5414 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5416 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5418 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5419 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5420 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5421 (get_sig->params [0]->type != MONO_TYPE_STRING))
5422 get_instance = NULL;
5426 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement a static GetInstance method that takes a single string parameter and returns an ICustomMarshaler.", mklass->name);
5429 /* Throw exception and emit compensation code if neccesary */
5430 if (exception_msg) {
5432 case MARSHAL_ACTION_CONV_IN:
5433 case MARSHAL_ACTION_CONV_RESULT:
5434 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5435 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5436 mono_mb_emit_byte (mb, CEE_POP);
5438 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5439 g_free (exception_msg);
5442 case MARSHAL_ACTION_PUSH:
5443 mono_mb_emit_byte (mb, CEE_LDNULL);
5451 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5452 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5455 case MARSHAL_ACTION_CONV_IN:
5457 case MONO_TYPE_CLASS:
5458 case MONO_TYPE_OBJECT:
5459 case MONO_TYPE_STRING:
5460 case MONO_TYPE_ARRAY:
5461 case MONO_TYPE_SZARRAY:
5462 case MONO_TYPE_VALUETYPE:
5466 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5467 g_assert_not_reached ();
5471 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5473 mono_mb_emit_byte (mb, CEE_LDNULL);
5474 mono_mb_emit_stloc (mb, conv_arg);
5476 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5479 /* Minic MS.NET behavior */
5480 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5483 /* Check for null */
5484 mono_mb_emit_ldarg (mb, argnum);
5486 mono_mb_emit_byte (mb, CEE_LDIND_I);
5487 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5489 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5491 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5493 mono_mb_emit_ldarg (mb, argnum);
5495 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5497 if (t->type == MONO_TYPE_VALUETYPE) {
5499 * Since we can't determine the type of the argument, we
5500 * will assume the unmanaged function takes a pointer.
5502 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5504 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5507 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5508 mono_mb_emit_stloc (mb, conv_arg);
5510 mono_mb_patch_branch (mb, pos2);
5513 case MARSHAL_ACTION_CONV_OUT:
5514 /* Check for null */
5515 mono_mb_emit_ldloc (mb, conv_arg);
5516 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5519 mono_mb_emit_ldarg (mb, argnum);
5521 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5523 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5525 mono_mb_emit_ldloc (mb, conv_arg);
5526 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5527 mono_mb_emit_byte (mb, CEE_STIND_REF);
5528 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5529 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5531 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5533 mono_mb_emit_ldloc (mb, conv_arg);
5534 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5536 /* We have nowhere to store the result */
5537 mono_mb_emit_byte (mb, CEE_POP);
5540 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5542 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5544 mono_mb_emit_ldloc (mb, conv_arg);
5546 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5548 mono_mb_patch_branch (mb, pos2);
5551 case MARSHAL_ACTION_PUSH:
5553 mono_mb_emit_ldloc_addr (mb, conv_arg);
5555 mono_mb_emit_ldloc (mb, conv_arg);
5558 case MARSHAL_ACTION_CONV_RESULT:
5559 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5561 mono_mb_emit_stloc (mb, 3);
5563 mono_mb_emit_ldloc (mb, 3);
5564 mono_mb_emit_stloc (mb, loc1);
5566 /* Check for null */
5567 mono_mb_emit_ldloc (mb, 3);
5568 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5570 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5572 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5573 mono_mb_emit_byte (mb, CEE_DUP);
5575 mono_mb_emit_ldloc (mb, 3);
5576 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5577 mono_mb_emit_stloc (mb, 3);
5579 mono_mb_emit_ldloc (mb, loc1);
5580 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5582 mono_mb_patch_branch (mb, pos2);
5585 case MARSHAL_ACTION_MANAGED_CONV_IN:
5586 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5588 mono_mb_emit_byte (mb, CEE_LDNULL);
5589 mono_mb_emit_stloc (mb, conv_arg);
5591 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
5594 /* Check for null */
5595 mono_mb_emit_ldarg (mb, argnum);
5597 mono_mb_emit_byte (mb, CEE_LDIND_I);
5598 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5600 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5601 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5603 mono_mb_emit_ldarg (mb, argnum);
5605 mono_mb_emit_byte (mb, CEE_LDIND_I);
5607 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5608 mono_mb_emit_stloc (mb, conv_arg);
5610 mono_mb_patch_branch (mb, pos2);
5613 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5614 g_assert (!t->byref);
5616 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5618 mono_mb_emit_stloc (mb, 3);
5620 mono_mb_emit_ldloc (mb, 3);
5621 mono_mb_emit_stloc (mb, loc1);
5623 /* Check for null */
5624 mono_mb_emit_ldloc (mb, 3);
5625 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5627 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5628 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5629 mono_mb_emit_byte (mb, CEE_DUP);
5631 mono_mb_emit_ldloc (mb, 3);
5632 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5633 mono_mb_emit_stloc (mb, 3);
5635 mono_mb_emit_ldloc (mb, loc1);
5636 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5638 mono_mb_patch_branch (mb, pos2);
5641 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5643 /* Check for null */
5644 mono_mb_emit_ldloc (mb, conv_arg);
5645 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5648 mono_mb_emit_ldarg (mb, argnum);
5650 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5652 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5654 mono_mb_emit_ldloc (mb, conv_arg);
5655 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5656 mono_mb_emit_byte (mb, CEE_STIND_I);
5659 /* Call CleanUpManagedData */
5660 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5662 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5664 mono_mb_emit_ldloc (mb, conv_arg);
5665 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5667 mono_mb_patch_branch (mb, pos2);
5671 g_assert_not_reached ();
5678 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5679 MonoMarshalSpec *spec,
5680 int conv_arg, MonoType **conv_arg_type,
5681 MarshalAction action)
5683 MonoMethodBuilder *mb = m->mb;
5686 case MARSHAL_ACTION_CONV_IN: {
5687 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5689 g_assert (t->type == MONO_TYPE_OBJECT);
5690 g_assert (!t->byref);
5692 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5693 mono_mb_emit_ldarg (mb, argnum);
5694 mono_mb_emit_icon (mb, encoding);
5695 mono_mb_emit_icon (mb, t->attrs);
5696 mono_mb_emit_icall (mb, mono_marshal_asany);
5697 mono_mb_emit_stloc (mb, conv_arg);
5701 case MARSHAL_ACTION_PUSH:
5702 mono_mb_emit_ldloc (mb, conv_arg);
5705 case MARSHAL_ACTION_CONV_OUT: {
5706 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5708 mono_mb_emit_ldarg (mb, argnum);
5709 mono_mb_emit_ldloc (mb, conv_arg);
5710 mono_mb_emit_icon (mb, encoding);
5711 mono_mb_emit_icon (mb, t->attrs);
5712 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5717 g_assert_not_reached ();
5724 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5725 MonoMarshalSpec *spec,
5726 int conv_arg, MonoType **conv_arg_type,
5727 MarshalAction action)
5729 MonoMethodBuilder *mb = m->mb;
5730 MonoClass *klass, *date_time_class;
5733 klass = mono_class_from_mono_type (t);
5735 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
5738 case MARSHAL_ACTION_CONV_IN:
5739 if (klass == date_time_class) {
5740 /* Convert it to an OLE DATE type */
5741 static MonoMethod *to_oadate;
5744 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
5745 g_assert (to_oadate);
5747 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
5750 mono_mb_emit_ldarg (mb, argnum);
5751 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5754 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5756 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
5758 mono_mb_emit_ldarg_addr (mb, argnum);
5759 mono_mb_emit_managed_call (mb, to_oadate, NULL);
5760 mono_mb_emit_stloc (mb, conv_arg);
5764 mono_mb_patch_branch (mb, pos);
5768 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5769 klass->blittable || klass->enumtype)
5772 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5774 /* store the address of the source into local variable 0 */
5776 mono_mb_emit_ldarg (mb, argnum);
5778 mono_mb_emit_ldarg_addr (mb, argnum);
5780 mono_mb_emit_stloc (mb, 0);
5782 /* allocate space for the native struct and
5783 * store the address into local variable 1 (dest) */
5784 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5785 mono_mb_emit_byte (mb, CEE_PREFIX1);
5786 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5787 mono_mb_emit_stloc (mb, conv_arg);
5790 mono_mb_emit_ldloc (mb, 0);
5791 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5794 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5796 mono_mb_emit_ldloc (mb, conv_arg);
5797 mono_mb_emit_stloc (mb, 1);
5799 /* emit valuetype conversion code */
5800 emit_struct_conv (mb, klass, FALSE);
5804 mono_mb_patch_branch (mb, pos);
5807 case MARSHAL_ACTION_PUSH:
5808 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5810 g_assert (!t->byref);
5812 /* Have to change the signature since the vtype is passed byref */
5813 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5815 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5816 klass->blittable || klass->enumtype)
5817 mono_mb_emit_ldarg_addr (mb, argnum);
5819 mono_mb_emit_ldloc (mb, conv_arg);
5823 if (klass == date_time_class) {
5825 mono_mb_emit_ldloc_addr (mb, conv_arg);
5827 mono_mb_emit_ldloc (mb, conv_arg);
5831 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5832 klass->blittable || klass->enumtype) {
5833 mono_mb_emit_ldarg (mb, argnum);
5836 mono_mb_emit_ldloc (mb, conv_arg);
5838 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5839 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5843 case MARSHAL_ACTION_CONV_OUT:
5844 if (klass == date_time_class) {
5845 /* Convert from an OLE DATE type */
5846 static MonoMethod *from_oadate;
5851 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5853 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
5854 g_assert (from_oadate);
5856 mono_mb_emit_ldarg (mb, argnum);
5857 mono_mb_emit_ldloc (mb, conv_arg);
5858 mono_mb_emit_managed_call (mb, from_oadate, NULL);
5859 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
5864 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5865 klass->blittable || klass->enumtype)
5869 /* dst = argument */
5870 mono_mb_emit_ldarg (mb, argnum);
5871 mono_mb_emit_stloc (mb, 1);
5873 mono_mb_emit_ldloc (mb, 1);
5874 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5876 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5877 /* src = tmp_locals [i] */
5878 mono_mb_emit_ldloc (mb, conv_arg);
5879 mono_mb_emit_stloc (mb, 0);
5881 /* emit valuetype conversion code */
5882 emit_struct_conv (mb, klass, TRUE);
5886 emit_struct_free (mb, klass, conv_arg);
5889 mono_mb_patch_branch (mb, pos);
5892 case MARSHAL_ACTION_CONV_RESULT:
5893 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5895 mono_mb_emit_stloc (mb, 3);
5899 /* load pointer to returned value type */
5900 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5901 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5902 /* store the address of the source into local variable 0 */
5903 mono_mb_emit_stloc (mb, 0);
5905 mono_mb_emit_ldloc_addr (mb, 3);
5906 mono_mb_emit_stloc (mb, 1);
5908 /* emit valuetype conversion code */
5909 emit_struct_conv (mb, klass, TRUE);
5912 case MARSHAL_ACTION_MANAGED_CONV_IN:
5913 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5914 klass->blittable || klass->enumtype) {
5919 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5921 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5925 mono_mb_emit_ldarg (mb, argnum);
5927 mono_mb_emit_ldarg_addr (mb, argnum);
5928 mono_mb_emit_stloc (mb, 0);
5931 mono_mb_emit_ldloc (mb, 0);
5932 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5935 mono_mb_emit_ldloc_addr (mb, conv_arg);
5936 mono_mb_emit_stloc (mb, 1);
5938 /* emit valuetype conversion code */
5939 emit_struct_conv (mb, klass, TRUE);
5942 mono_mb_patch_branch (mb, pos);
5945 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5946 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5947 klass->blittable || klass->enumtype) {
5951 /* Check for null */
5952 mono_mb_emit_ldarg (mb, argnum);
5953 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5956 mono_mb_emit_ldloc_addr (mb, conv_arg);
5957 mono_mb_emit_stloc (mb, 0);
5960 mono_mb_emit_ldarg (mb, argnum);
5961 mono_mb_emit_stloc (mb, 1);
5963 /* emit valuetype conversion code */
5964 emit_struct_conv (mb, klass, FALSE);
5966 mono_mb_patch_branch (mb, pos2);
5969 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5970 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5971 klass->blittable || klass->enumtype) {
5972 mono_mb_emit_stloc (mb, 3);
5977 /* load pointer to returned value type */
5978 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5979 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5981 /* store the address of the source into local variable 0 */
5982 mono_mb_emit_stloc (mb, 0);
5983 /* allocate space for the native struct and
5984 * store the address into dst_ptr */
5985 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5986 m->retobj_class = klass;
5987 g_assert (m->retobj_var);
5988 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5989 mono_mb_emit_byte (mb, CEE_CONV_I);
5990 mono_mb_emit_icall (mb, mono_marshal_alloc);
5991 mono_mb_emit_stloc (mb, 1);
5992 mono_mb_emit_ldloc (mb, 1);
5993 mono_mb_emit_stloc (mb, m->retobj_var);
5995 /* emit valuetype conversion code */
5996 emit_struct_conv (mb, klass, FALSE);
6000 g_assert_not_reached ();
6007 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6008 MonoMarshalSpec *spec,
6009 int conv_arg, MonoType **conv_arg_type,
6010 MarshalAction action)
6012 MonoMethodBuilder *mb = m->mb;
6013 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6014 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6018 case MARSHAL_ACTION_CONV_IN:
6019 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6020 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6023 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6026 mono_mb_emit_ldarg (mb, argnum);
6027 mono_mb_emit_byte (mb, CEE_LDIND_I);
6029 mono_mb_emit_ldarg (mb, argnum);
6033 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6034 MonoException *exc = mono_get_exception_not_implemented (msg);
6035 g_warning ("%s", msg);
6037 mono_raise_exception (exc);
6040 mono_mb_emit_icall (mb, conv_to_icall (conv));
6042 mono_mb_emit_stloc (mb, conv_arg);
6045 case MARSHAL_ACTION_CONV_OUT:
6046 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6048 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6049 mono_mb_emit_exception_marshal_directive (mb, msg);
6053 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6054 static MonoMethod *m;
6057 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6062 * Have to allocate a new string with the same length as the original, and
6063 * copy the contents of the buffer pointed to by CONV_ARG into it.
6065 g_assert (t->byref);
6066 mono_mb_emit_ldarg (mb, argnum);
6067 mono_mb_emit_ldloc (mb, conv_arg);
6068 mono_mb_emit_ldarg (mb, argnum);
6069 mono_mb_emit_byte (mb, CEE_LDIND_I);
6070 mono_mb_emit_managed_call (mb, m, NULL);
6071 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6072 mono_mb_emit_byte (mb, CEE_STIND_REF);
6073 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6074 mono_mb_emit_ldarg (mb, argnum);
6075 mono_mb_emit_ldloc (mb, conv_arg);
6076 mono_mb_emit_icall (mb, conv_to_icall (conv));
6077 mono_mb_emit_byte (mb, CEE_STIND_REF);
6080 if (need_free || (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6081 mono_mb_emit_ldloc (mb, conv_arg);
6082 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6083 mono_mb_emit_icall (mb, mono_free_bstr);
6085 mono_mb_emit_icall (mb, mono_marshal_free);
6089 case MARSHAL_ACTION_PUSH:
6090 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6091 mono_mb_emit_ldloc_addr (mb, conv_arg);
6093 mono_mb_emit_ldloc (mb, conv_arg);
6096 case MARSHAL_ACTION_CONV_RESULT:
6097 mono_mb_emit_stloc (mb, 0);
6099 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6101 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6102 mono_mb_emit_exception_marshal_directive (mb, msg);
6106 mono_mb_emit_ldloc (mb, 0);
6107 mono_mb_emit_icall (mb, conv_to_icall (conv));
6108 mono_mb_emit_stloc (mb, 3);
6110 /* free the string */
6111 mono_mb_emit_ldloc (mb, 0);
6112 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6113 mono_mb_emit_icall (mb, mono_free_bstr);
6115 mono_mb_emit_icall (mb, mono_marshal_free);
6118 case MARSHAL_ACTION_MANAGED_CONV_IN:
6119 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6121 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6123 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6125 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6126 mono_mb_emit_exception_marshal_directive (mb, msg);
6130 mono_mb_emit_ldarg (mb, argnum);
6132 mono_mb_emit_byte (mb, CEE_LDIND_I);
6133 mono_mb_emit_icall (mb, conv_to_icall (conv));
6134 mono_mb_emit_stloc (mb, conv_arg);
6137 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6140 mono_mb_emit_ldarg (mb, argnum);
6141 mono_mb_emit_ldloc (mb, conv_arg);
6142 mono_mb_emit_icall (mb, conv_to_icall (conv));
6143 mono_mb_emit_byte (mb, CEE_STIND_I);
6148 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6149 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6150 /* We need to make a copy so the caller is able to free it */
6151 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6153 mono_mb_emit_icall (mb, conv_to_icall (conv));
6154 mono_mb_emit_stloc (mb, 3);
6158 g_assert_not_reached ();
6165 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6166 MonoMarshalSpec *spec, int conv_arg,
6167 MonoType **conv_arg_type, MarshalAction action)
6169 MonoMethodBuilder *mb = m->mb;
6172 case MARSHAL_ACTION_CONV_IN: {
6173 MonoType *intptr_type;
6174 int dar_release_slot, pos;
6176 intptr_type = &mono_defaults.int_class->byval_arg;
6177 conv_arg = mono_mb_add_local (mb, intptr_type);
6178 *conv_arg_type = intptr_type;
6180 if (!sh_dangerous_add_ref)
6181 init_safe_handle ();
6183 mono_mb_emit_ldarg (mb, argnum);
6184 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6185 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6187 mono_mb_patch_branch (mb, pos);
6190 * My tests in show that ref SafeHandles are not really
6191 * passed as ref objects. Instead a NULL is passed as the
6194 mono_mb_emit_icon (mb, 0);
6195 mono_mb_emit_stloc (mb, conv_arg);
6199 /* Create local to hold the ref parameter to DangerousAddRef */
6200 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6202 /* set release = false; */
6203 mono_mb_emit_icon (mb, 0);
6204 mono_mb_emit_stloc (mb, dar_release_slot);
6206 /* safehandle.DangerousAddRef (ref release) */
6207 mono_mb_emit_ldarg (mb, argnum);
6208 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6209 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6211 /* Pull the handle field from SafeHandle */
6212 mono_mb_emit_ldarg (mb, argnum);
6213 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6214 mono_mb_emit_byte (mb, CEE_LDIND_I);
6215 mono_mb_emit_stloc (mb, conv_arg);
6220 case MARSHAL_ACTION_PUSH:
6222 mono_mb_emit_ldloc_addr (mb, conv_arg);
6224 mono_mb_emit_ldloc (mb, conv_arg);
6227 case MARSHAL_ACTION_CONV_OUT: {
6228 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6229 int dar_release_slot = conv_arg + 1;
6232 if (!sh_dangerous_release)
6233 init_safe_handle ();
6239 * My tests indicate that ref SafeHandles parameters are not actually
6240 * passed by ref, but instead a new Handle is created regardless of
6241 * whether a change happens in the unmanaged side.
6243 * Also, the Handle is created before calling into unmanaged code,
6244 * but we do not support that mechanism (getting to the original
6245 * handle) and it makes no difference where we create this
6247 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6249 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6252 /* refval = new SafeHandleDerived ()*/
6253 mono_mb_emit_ldarg (mb, argnum);
6254 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6255 mono_mb_emit_byte (mb, CEE_STIND_REF);
6257 /* refval.handle = returned_handle */
6258 mono_mb_emit_ldarg (mb, argnum);
6259 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6260 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6261 mono_mb_emit_ldloc (mb, conv_arg);
6262 mono_mb_emit_byte (mb, CEE_STIND_I);
6264 mono_mb_emit_ldloc (mb, dar_release_slot);
6265 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6266 mono_mb_emit_ldarg (mb, argnum);
6267 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6268 mono_mb_patch_branch (mb, label_next);
6273 case MARSHAL_ACTION_CONV_RESULT: {
6274 MonoMethod *ctor = NULL;
6275 int intptr_handle_slot;
6277 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6278 mono_mb_emit_byte (mb, CEE_POP);
6279 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6283 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6285 mono_mb_emit_byte (mb, CEE_POP);
6286 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6289 /* Store the IntPtr results into a local */
6290 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6291 mono_mb_emit_stloc (mb, intptr_handle_slot);
6293 /* Create return value */
6294 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6295 mono_mb_emit_stloc (mb, 3);
6297 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6298 mono_mb_emit_ldloc (mb, 3);
6299 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6300 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6301 mono_mb_emit_byte (mb, CEE_STIND_I);
6305 case MARSHAL_ACTION_MANAGED_CONV_IN:
6306 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6309 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6310 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6313 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6314 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6317 printf ("Unhandled case for MarshalAction: %d\n", action);
6324 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6325 MonoMarshalSpec *spec, int conv_arg,
6326 MonoType **conv_arg_type, MarshalAction action)
6328 MonoMethodBuilder *mb = m->mb;
6331 case MARSHAL_ACTION_CONV_IN: {
6332 MonoType *intptr_type;
6334 intptr_type = &mono_defaults.int_class->byval_arg;
6335 conv_arg = mono_mb_add_local (mb, intptr_type);
6336 *conv_arg_type = intptr_type;
6339 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6340 mono_mb_emit_exception_marshal_directive (mb, msg);
6343 mono_mb_emit_ldarg_addr (mb, argnum);
6344 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6345 mono_mb_emit_byte (mb, CEE_ADD);
6346 mono_mb_emit_byte (mb, CEE_LDIND_I);
6347 mono_mb_emit_stloc (mb, conv_arg);
6351 case MARSHAL_ACTION_PUSH:
6352 mono_mb_emit_ldloc (mb, conv_arg);
6355 case MARSHAL_ACTION_CONV_OUT: {
6356 /* no resource release required */
6360 case MARSHAL_ACTION_CONV_RESULT: {
6361 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6362 mono_mb_emit_exception_marshal_directive (mb, msg);
6366 case MARSHAL_ACTION_MANAGED_CONV_IN:
6367 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6370 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6371 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6374 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6375 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6378 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6385 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6386 MonoMarshalSpec *spec,
6387 int conv_arg, MonoType **conv_arg_type,
6388 MarshalAction action)
6390 MonoMethodBuilder *mb = m->mb;
6391 MonoClass *klass = mono_class_from_mono_type (t);
6395 case MARSHAL_ACTION_CONV_IN:
6396 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6397 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6399 m->orig_conv_args [argnum] = 0;
6401 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6402 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6403 mono_mb_emit_exception_marshal_directive (mb, msg);
6407 if (klass->delegate) {
6409 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6410 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6411 mono_mb_emit_exception_marshal_directive (mb, msg);
6413 mono_mb_emit_byte (mb, CEE_LDNULL);
6414 mono_mb_emit_stloc (mb, conv_arg);
6416 mono_mb_emit_ldarg (mb, argnum);
6417 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6418 mono_mb_emit_stloc (mb, conv_arg);
6420 } else if (klass == mono_defaults.stringbuilder_class) {
6421 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6422 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6425 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6426 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6427 mono_mb_emit_exception_marshal_directive (mb, msg);
6432 mono_mb_emit_ldarg (mb, argnum);
6435 mono_mb_emit_icall (mb, conv_to_icall (conv));
6437 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6438 MonoException *exc = mono_get_exception_not_implemented (msg);
6439 g_warning ("%s", msg);
6441 mono_raise_exception (exc);
6444 mono_mb_emit_stloc (mb, conv_arg);
6445 } else if (klass->blittable) {
6446 mono_mb_emit_byte (mb, CEE_LDNULL);
6447 mono_mb_emit_stloc (mb, conv_arg);
6449 mono_mb_emit_ldarg (mb, argnum);
6450 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6452 mono_mb_emit_ldarg (mb, argnum);
6453 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6454 mono_mb_emit_stloc (mb, conv_arg);
6456 mono_mb_patch_branch (mb, pos);
6459 mono_mb_emit_byte (mb, CEE_LDNULL);
6460 mono_mb_emit_stloc (mb, conv_arg);
6463 /* we dont need any conversions for out parameters */
6464 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6467 mono_mb_emit_ldarg (mb, argnum);
6468 mono_mb_emit_byte (mb, CEE_LDIND_I);
6471 mono_mb_emit_ldarg (mb, argnum);
6472 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6473 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6476 /* store the address of the source into local variable 0 */
6477 mono_mb_emit_stloc (mb, 0);
6478 mono_mb_emit_ldloc (mb, 0);
6479 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6481 /* allocate space for the native struct and store the address */
6482 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6483 mono_mb_emit_byte (mb, CEE_PREFIX1);
6484 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6485 mono_mb_emit_stloc (mb, conv_arg);
6488 /* Need to store the original buffer so we can free it later */
6489 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6490 mono_mb_emit_ldloc (mb, conv_arg);
6491 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6494 /* set the src_ptr */
6495 mono_mb_emit_ldloc (mb, 0);
6496 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6497 mono_mb_emit_stloc (mb, 0);
6500 mono_mb_emit_ldloc (mb, conv_arg);
6501 mono_mb_emit_stloc (mb, 1);
6503 /* emit valuetype conversion code */
6504 emit_struct_conv (mb, klass, FALSE);
6506 mono_mb_patch_branch (mb, pos);
6510 case MARSHAL_ACTION_CONV_OUT:
6511 if (klass == mono_defaults.stringbuilder_class) {
6513 MonoMarshalNative encoding;
6514 MonoMarshalConv conv;
6516 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6517 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6519 g_assert (encoding != -1);
6522 g_assert ((t->attrs & PARAM_ATTRIBUTE_OUT));
6526 mono_mb_emit_ldarg (mb, argnum);
6527 mono_mb_emit_ldloc (mb, conv_arg);
6530 case MONO_NATIVE_LPWSTR:
6531 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
6533 case MONO_NATIVE_LPSTR:
6534 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6537 g_assert_not_reached ();
6540 mono_mb_emit_byte (mb, CEE_STIND_REF);
6542 mono_mb_emit_ldarg (mb, argnum);
6543 mono_mb_emit_ldloc (mb, conv_arg);
6545 mono_mb_emit_icall (mb, conv_to_icall (conv));
6549 mono_mb_emit_ldloc (mb, conv_arg);
6550 mono_mb_emit_icall (mb, mono_marshal_free);
6555 if (klass->delegate) {
6557 mono_mb_emit_ldarg (mb, argnum);
6558 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6559 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6560 mono_mb_emit_ldloc (mb, conv_arg);
6561 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6562 mono_mb_emit_byte (mb, CEE_STIND_REF);
6567 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6568 /* allocate a new object */
6569 mono_mb_emit_ldarg (mb, argnum);
6570 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6571 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6572 mono_mb_emit_byte (mb, CEE_STIND_REF);
6575 /* dst = *argument */
6576 mono_mb_emit_ldarg (mb, argnum);
6579 mono_mb_emit_byte (mb, CEE_LDIND_I);
6581 mono_mb_emit_stloc (mb, 1);
6583 mono_mb_emit_ldloc (mb, 1);
6584 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6586 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6587 mono_mb_emit_ldloc (mb, 1);
6588 mono_mb_emit_icon (mb, sizeof (MonoObject));
6589 mono_mb_emit_byte (mb, CEE_ADD);
6590 mono_mb_emit_stloc (mb, 1);
6592 /* src = tmp_locals [i] */
6593 mono_mb_emit_ldloc (mb, conv_arg);
6594 mono_mb_emit_stloc (mb, 0);
6596 /* emit valuetype conversion code */
6597 emit_struct_conv (mb, klass, TRUE);
6599 /* Free the structure returned by the native code */
6600 emit_struct_free (mb, klass, conv_arg);
6602 if (m->orig_conv_args [argnum]) {
6604 * If the native function changed the pointer, then free
6605 * the original structure plus the new pointer.
6607 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6608 mono_mb_emit_ldloc (mb, conv_arg);
6609 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6611 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6612 g_assert (m->orig_conv_args [argnum]);
6614 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6617 mono_mb_emit_ldloc (mb, conv_arg);
6618 mono_mb_emit_icall (mb, g_free);
6620 mono_mb_patch_branch (mb, pos2);
6624 /* Free the original structure passed to native code */
6625 emit_struct_free (mb, klass, conv_arg);
6627 mono_mb_patch_branch (mb, pos);
6630 case MARSHAL_ACTION_PUSH:
6632 mono_mb_emit_ldloc_addr (mb, conv_arg);
6634 mono_mb_emit_ldloc (mb, conv_arg);
6637 case MARSHAL_ACTION_CONV_RESULT:
6638 if (klass->delegate) {
6639 g_assert (!t->byref);
6640 mono_mb_emit_stloc (mb, 0);
6641 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6642 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6643 mono_mb_emit_ldloc (mb, 0);
6644 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6645 mono_mb_emit_stloc (mb, 3);
6648 mono_mb_emit_stloc (mb, 0);
6650 /* Make a copy since emit_conv modifies local 0 */
6651 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6652 mono_mb_emit_ldloc (mb, 0);
6653 mono_mb_emit_stloc (mb, loc);
6655 mono_mb_emit_byte (mb, CEE_LDNULL);
6656 mono_mb_emit_stloc (mb, 3);
6658 mono_mb_emit_ldloc (mb, 0);
6659 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6661 /* allocate result object */
6663 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6664 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6665 mono_mb_emit_stloc (mb, 3);
6669 mono_mb_emit_ldloc (mb, 3);
6670 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6671 mono_mb_emit_stloc (mb, 1);
6673 /* emit conversion code */
6674 emit_struct_conv (mb, klass, TRUE);
6676 emit_struct_free (mb, klass, loc);
6678 /* Free the pointer allocated by unmanaged code */
6679 mono_mb_emit_ldloc (mb, loc);
6680 mono_mb_emit_icall (mb, g_free);
6681 mono_mb_patch_branch (mb, pos);
6685 case MARSHAL_ACTION_MANAGED_CONV_IN:
6686 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6688 if (klass->delegate) {
6689 g_assert (!t->byref);
6690 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6691 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6692 mono_mb_emit_ldarg (mb, argnum);
6693 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6694 mono_mb_emit_stloc (mb, conv_arg);
6698 if (klass == mono_defaults.stringbuilder_class) {
6699 MonoMarshalNative encoding;
6701 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6704 g_assert (encoding == MONO_NATIVE_LPSTR);
6706 g_assert (!t->byref);
6707 g_assert (encoding != -1);
6709 mono_mb_emit_ldarg (mb, argnum);
6710 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6711 mono_mb_emit_stloc (mb, conv_arg);
6715 /* The class can not have an automatic layout */
6716 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6717 mono_mb_emit_auto_layout_exception (mb, klass);
6721 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6722 mono_mb_emit_byte (mb, CEE_LDNULL);
6723 mono_mb_emit_stloc (mb, conv_arg);
6728 mono_mb_emit_ldarg (mb, argnum);
6732 /* Check for NULL and raise an exception */
6733 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6735 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6737 mono_mb_patch_branch (mb, pos2);
6738 mono_mb_emit_ldarg (mb, argnum);
6739 mono_mb_emit_byte (mb, CEE_LDIND_I);
6742 mono_mb_emit_stloc (mb, 0);
6744 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6745 mono_mb_emit_stloc (mb, conv_arg);
6747 mono_mb_emit_ldloc (mb, 0);
6748 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6750 /* Create and set dst */
6751 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6752 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6753 mono_mb_emit_stloc (mb, conv_arg);
6754 mono_mb_emit_ldloc (mb, conv_arg);
6755 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6756 mono_mb_emit_stloc (mb, 1);
6758 /* emit valuetype conversion code */
6759 emit_struct_conv (mb, klass, TRUE);
6761 mono_mb_patch_branch (mb, pos);
6764 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6766 /* Check for null */
6767 mono_mb_emit_ldloc (mb, conv_arg);
6768 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6769 mono_mb_emit_ldarg (mb, argnum);
6770 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6771 mono_mb_emit_byte (mb, CEE_STIND_REF);
6772 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6774 mono_mb_patch_branch (mb, pos);
6777 mono_mb_emit_ldloc (mb, conv_arg);
6778 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6779 mono_mb_emit_stloc (mb, 0);
6781 /* Allocate and set dest */
6782 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6783 mono_mb_emit_byte (mb, CEE_CONV_I);
6784 mono_mb_emit_icall (mb, mono_marshal_alloc);
6785 mono_mb_emit_stloc (mb, 1);
6787 /* Update argument pointer */
6788 mono_mb_emit_ldarg (mb, argnum);
6789 mono_mb_emit_ldloc (mb, 1);
6790 mono_mb_emit_byte (mb, CEE_STIND_I);
6792 /* emit valuetype conversion code */
6793 emit_struct_conv (mb, klass, FALSE);
6795 mono_mb_patch_branch (mb, pos2);
6797 /* byval [Out] marshalling */
6799 /* FIXME: Handle null */
6802 mono_mb_emit_ldloc (mb, conv_arg);
6803 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6804 mono_mb_emit_stloc (mb, 0);
6807 mono_mb_emit_ldarg (mb, argnum);
6808 mono_mb_emit_stloc (mb, 1);
6810 /* emit valuetype conversion code */
6811 emit_struct_conv (mb, klass, FALSE);
6815 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6816 if (klass->delegate) {
6817 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6818 mono_mb_emit_stloc (mb, 3);
6822 /* The class can not have an automatic layout */
6823 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6824 mono_mb_emit_auto_layout_exception (mb, klass);
6828 mono_mb_emit_stloc (mb, 0);
6829 /* Check for null */
6830 mono_mb_emit_ldloc (mb, 0);
6831 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6832 mono_mb_emit_byte (mb, CEE_LDNULL);
6833 mono_mb_emit_stloc (mb, 3);
6834 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6836 mono_mb_patch_branch (mb, pos);
6839 mono_mb_emit_ldloc (mb, 0);
6840 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6841 mono_mb_emit_stloc (mb, 0);
6843 /* Allocate and set dest */
6844 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6845 mono_mb_emit_byte (mb, CEE_CONV_I);
6846 mono_mb_emit_icall (mb, mono_marshal_alloc);
6847 mono_mb_emit_byte (mb, CEE_DUP);
6848 mono_mb_emit_stloc (mb, 1);
6849 mono_mb_emit_stloc (mb, 3);
6851 emit_struct_conv (mb, klass, FALSE);
6853 mono_mb_patch_branch (mb, pos2);
6857 g_assert_not_reached ();
6864 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
6865 MonoMarshalSpec *spec,
6866 int conv_arg, MonoType **conv_arg_type,
6867 MarshalAction action)
6869 MonoMethodBuilder *mb = m->mb;
6870 static MonoMethod *get_object_for_native_variant = NULL;
6871 static MonoMethod *get_native_variant_for_object = NULL;
6873 mono_init_com_types ();
6875 if (!get_object_for_native_variant)
6876 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
6877 g_assert (get_object_for_native_variant);
6879 if (!get_native_variant_for_object)
6880 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
6881 g_assert (get_native_variant_for_object);
6884 case MARSHAL_ACTION_CONV_IN: {
6885 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
6888 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6890 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6892 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6895 mono_mb_emit_ldarg (mb, argnum);
6897 mono_mb_emit_byte(mb, CEE_LDIND_REF);
6898 mono_mb_emit_ldloc_addr (mb, conv_arg);
6899 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6903 case MARSHAL_ACTION_CONV_OUT: {
6904 static MonoMethod *variant_clear = NULL;
6907 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
6908 g_assert (variant_clear);
6911 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6912 mono_mb_emit_ldarg (mb, argnum);
6913 mono_mb_emit_ldloc_addr (mb, conv_arg);
6914 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6915 mono_mb_emit_byte (mb, CEE_STIND_REF);
6918 mono_mb_emit_ldloc_addr (mb, conv_arg);
6919 mono_mb_emit_managed_call (mb, variant_clear, NULL);
6923 case MARSHAL_ACTION_PUSH:
6925 mono_mb_emit_ldloc_addr (mb, conv_arg);
6927 mono_mb_emit_ldloc (mb, conv_arg);
6930 case MARSHAL_ACTION_CONV_RESULT: {
6931 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6932 mono_mb_emit_exception_marshal_directive (mb, msg);
6936 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6937 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6940 *conv_arg_type = &mono_defaults.variant_class->this_arg;
6942 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
6944 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
6948 mono_mb_emit_ldarg (mb, argnum);
6950 mono_mb_emit_ldarg_addr (mb, argnum);
6951 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
6952 mono_mb_emit_stloc (mb, conv_arg);
6956 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6957 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6958 mono_mb_emit_ldloc (mb, conv_arg);
6959 mono_mb_emit_ldarg (mb, argnum);
6960 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
6965 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6966 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
6967 mono_mb_emit_exception_marshal_directive (mb, msg);
6972 g_assert_not_reached ();
6979 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
6981 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
6982 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
6984 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
6986 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
6997 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6998 MonoMarshalSpec *spec,
6999 int conv_arg, MonoType **conv_arg_type,
7000 MarshalAction action)
7002 MonoMethodBuilder *mb = m->mb;
7003 MonoClass *klass = mono_class_from_mono_type (t);
7004 gboolean need_convert, need_free;
7005 MonoMarshalNative encoding;
7007 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7010 case MARSHAL_ACTION_CONV_IN:
7011 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7012 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7014 if (klass->element_class->blittable) {
7015 mono_mb_emit_ldarg (mb, argnum);
7017 mono_mb_emit_byte (mb, CEE_LDIND_I);
7018 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7019 mono_mb_emit_stloc (mb, conv_arg);
7022 guint32 label1, label2, label3;
7023 int index_var, src_var, dest_ptr, esize;
7024 MonoMarshalConv conv;
7025 gboolean is_string = FALSE;
7027 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7029 eklass = klass->element_class;
7031 if (eklass == mono_defaults.string_class) {
7033 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7035 else if (eklass == mono_defaults.stringbuilder_class) {
7037 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7042 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7043 mono_mb_emit_ldarg (mb, argnum);
7045 mono_mb_emit_byte (mb, CEE_LDIND_I);
7046 mono_mb_emit_stloc (mb, src_var);
7049 mono_mb_emit_ldloc (mb, src_var);
7050 mono_mb_emit_stloc (mb, conv_arg);
7051 mono_mb_emit_ldloc (mb, src_var);
7052 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7056 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7057 MonoException *exc = mono_get_exception_not_implemented (msg);
7058 g_warning ("%s", msg);
7060 mono_raise_exception (exc);
7065 esize = sizeof (gpointer);
7066 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7067 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7069 esize = mono_class_native_size (eklass, NULL);
7071 /* allocate space for the native struct and store the address */
7072 mono_mb_emit_icon (mb, esize);
7073 mono_mb_emit_ldloc (mb, src_var);
7074 mono_mb_emit_byte (mb, CEE_LDLEN);
7076 if (eklass == mono_defaults.string_class) {
7077 /* Make the array bigger for the terminating null */
7078 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7079 mono_mb_emit_byte (mb, CEE_ADD);
7081 mono_mb_emit_byte (mb, CEE_MUL);
7082 mono_mb_emit_byte (mb, CEE_PREFIX1);
7083 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7084 mono_mb_emit_stloc (mb, conv_arg);
7086 mono_mb_emit_ldloc (mb, conv_arg);
7087 mono_mb_emit_stloc (mb, dest_ptr);
7089 /* Emit marshalling loop */
7090 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7091 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7092 mono_mb_emit_stloc (mb, index_var);
7093 label2 = mono_mb_get_label (mb);
7094 mono_mb_emit_ldloc (mb, index_var);
7095 mono_mb_emit_ldloc (mb, src_var);
7096 mono_mb_emit_byte (mb, CEE_LDLEN);
7097 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7099 /* Emit marshalling code */
7102 mono_mb_emit_ldloc (mb, dest_ptr);
7103 mono_mb_emit_ldloc (mb, src_var);
7104 mono_mb_emit_ldloc (mb, index_var);
7105 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7106 mono_mb_emit_icall (mb, conv_to_icall (conv));
7107 mono_mb_emit_byte (mb, CEE_STIND_I);
7109 /* set the src_ptr */
7110 mono_mb_emit_ldloc (mb, src_var);
7111 mono_mb_emit_ldloc (mb, index_var);
7112 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7113 mono_mb_emit_stloc (mb, 0);
7116 mono_mb_emit_ldloc (mb, dest_ptr);
7117 mono_mb_emit_stloc (mb, 1);
7119 /* emit valuetype conversion code */
7120 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7123 mono_mb_emit_add_to_local (mb, index_var, 1);
7124 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7126 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7128 mono_mb_patch_branch (mb, label3);
7130 if (eklass == mono_defaults.string_class) {
7131 /* Null terminate */
7132 mono_mb_emit_ldloc (mb, dest_ptr);
7133 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7134 mono_mb_emit_byte (mb, CEE_STIND_REF);
7137 mono_mb_patch_branch (mb, label1);
7142 case MARSHAL_ACTION_CONV_OUT:
7143 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7144 need_convert = ((klass->element_class == mono_defaults.char_class) && (encoding == MONO_NATIVE_LPWSTR)) || (klass->element_class == mono_defaults.stringbuilder_class) || (t->attrs & PARAM_ATTRIBUTE_OUT);
7145 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7148 if (need_convert || need_free) {
7149 /* FIXME: Optimize blittable case */
7151 guint32 label1, label2, label3;
7152 int index_var, src_ptr, loc, esize;
7154 eklass = klass->element_class;
7155 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7156 esize = sizeof (gpointer);
7157 else if (eklass == mono_defaults.char_class)
7158 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7160 esize = mono_class_native_size (eklass, NULL);
7161 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7162 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7165 mono_mb_emit_ldarg (mb, argnum);
7167 mono_mb_emit_byte (mb, CEE_LDIND_I);
7168 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7170 mono_mb_emit_ldloc (mb, conv_arg);
7171 mono_mb_emit_stloc (mb, src_ptr);
7173 /* Emit marshalling loop */
7174 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7175 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7176 mono_mb_emit_stloc (mb, index_var);
7177 label2 = mono_mb_get_label (mb);
7178 mono_mb_emit_ldloc (mb, index_var);
7179 mono_mb_emit_ldarg (mb, argnum);
7181 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7182 mono_mb_emit_byte (mb, CEE_LDLEN);
7183 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7185 /* Emit marshalling code */
7187 if (eklass == mono_defaults.stringbuilder_class) {
7188 gboolean need_free2;
7189 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7191 g_assert (conv != -1);
7194 mono_mb_emit_ldarg (mb, argnum);
7196 mono_mb_emit_byte (mb, CEE_LDIND_I);
7197 mono_mb_emit_ldloc (mb, index_var);
7198 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7201 mono_mb_emit_ldloc (mb, src_ptr);
7202 mono_mb_emit_byte (mb, CEE_LDIND_I);
7204 mono_mb_emit_icall (mb, conv_to_icall (conv));
7208 mono_mb_emit_ldloc (mb, src_ptr);
7209 mono_mb_emit_byte (mb, CEE_LDIND_I);
7211 mono_mb_emit_icall (mb, mono_marshal_free);
7214 else if (eklass == mono_defaults.string_class) {
7217 mono_mb_emit_ldloc (mb, src_ptr);
7218 mono_mb_emit_byte (mb, CEE_LDIND_I);
7220 mono_mb_emit_icall (mb, mono_marshal_free);
7225 /* set the src_ptr */
7226 mono_mb_emit_ldloc (mb, src_ptr);
7227 mono_mb_emit_stloc (mb, 0);
7230 mono_mb_emit_ldarg (mb, argnum);
7232 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7233 mono_mb_emit_ldloc (mb, index_var);
7234 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7235 mono_mb_emit_stloc (mb, 1);
7237 /* emit valuetype conversion code */
7238 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7242 mono_mb_emit_ldloc (mb, src_ptr);
7243 mono_mb_emit_stloc (mb, loc);
7244 mono_mb_emit_ldloc (mb, loc);
7246 emit_struct_free (mb, eklass, loc);
7250 mono_mb_emit_add_to_local (mb, index_var, 1);
7251 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7253 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7255 mono_mb_patch_branch (mb, label1);
7256 mono_mb_patch_branch (mb, label3);
7259 if (klass->element_class->blittable) {
7260 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7262 mono_mb_emit_ldarg (mb, argnum);
7263 mono_mb_emit_ldloc (mb, conv_arg);
7264 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7269 case MARSHAL_ACTION_PUSH:
7271 mono_mb_emit_ldloc_addr (mb, conv_arg);
7273 mono_mb_emit_ldloc (mb, conv_arg);
7276 case MARSHAL_ACTION_CONV_RESULT:
7277 /* fixme: we need conversions here */
7278 mono_mb_emit_stloc (mb, 3);
7281 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7283 guint32 label1, label2, label3;
7284 int index_var, src_ptr, loc, esize, param_num, num_elem;
7285 MonoMarshalConv conv;
7286 gboolean is_string = FALSE;
7288 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7289 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7292 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7293 mono_mb_emit_exception_marshal_directive (mb, msg);
7297 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7298 mono_mb_emit_exception_marshal_directive (mb, msg);
7301 if (spec->native != MONO_NATIVE_LPARRAY) {
7302 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7303 mono_mb_emit_exception_marshal_directive (mb, msg);
7307 /* FIXME: t is from the method which is wrapped, not the delegate type */
7308 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7310 param_num = spec->data.array_data.param_num;
7311 num_elem = spec->data.array_data.num_elem;
7312 if (spec->data.array_data.elem_mult == 0)
7313 /* param_num is not specified */
7316 if (param_num == -1) {
7317 if (num_elem <= 0) {
7318 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7319 mono_mb_emit_exception_marshal_directive (mb, msg);
7324 /* FIXME: Optimize blittable case */
7326 eklass = klass->element_class;
7327 if (eklass == mono_defaults.string_class) {
7329 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7331 else if (eklass == mono_defaults.stringbuilder_class) {
7333 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7338 mono_marshal_load_type_info (eklass);
7341 esize = sizeof (gpointer);
7343 esize = mono_class_native_size (eklass, NULL);
7344 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7345 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7347 mono_mb_emit_byte (mb, CEE_LDNULL);
7348 mono_mb_emit_stloc (mb, conv_arg);
7350 /* Check param index */
7351 if (param_num != -1) {
7352 if (param_num >= m->sig->param_count) {
7353 char *msg = g_strdup ("Array size control parameter index is out of range.");
7354 mono_mb_emit_exception_marshal_directive (mb, msg);
7357 switch (m->sig->params [param_num]->type) {
7370 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7371 mono_mb_emit_exception_marshal_directive (mb, msg);
7378 mono_mb_emit_ldarg (mb, argnum);
7379 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7381 mono_mb_emit_ldarg (mb, argnum);
7382 mono_mb_emit_stloc (mb, src_ptr);
7384 /* Create managed array */
7386 * The LPArray marshalling spec says that sometimes param_num starts
7387 * from 1, sometimes it starts from 0. But MS seems to allways start
7391 if (param_num == -1) {
7392 mono_mb_emit_icon (mb, num_elem);
7394 mono_mb_emit_ldarg (mb, param_num);
7396 mono_mb_emit_icon (mb, num_elem);
7397 mono_mb_emit_byte (mb, CEE_ADD);
7399 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7402 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7403 mono_mb_emit_stloc (mb, conv_arg);
7405 if (eklass->blittable) {
7406 mono_mb_emit_ldloc (mb, conv_arg);
7407 mono_mb_emit_byte (mb, CEE_CONV_I);
7408 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7409 mono_mb_emit_byte (mb, CEE_ADD);
7410 mono_mb_emit_ldarg (mb, argnum);
7411 mono_mb_emit_ldloc (mb, conv_arg);
7412 mono_mb_emit_byte (mb, CEE_LDLEN);
7413 mono_mb_emit_icon (mb, esize);
7414 mono_mb_emit_byte (mb, CEE_MUL);
7415 mono_mb_emit_byte (mb, CEE_PREFIX1);
7416 mono_mb_emit_byte (mb, CEE_CPBLK);
7420 /* Emit marshalling loop */
7421 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7422 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7423 mono_mb_emit_stloc (mb, index_var);
7424 label2 = mono_mb_get_label (mb);
7425 mono_mb_emit_ldloc (mb, index_var);
7426 mono_mb_emit_ldloc (mb, conv_arg);
7427 mono_mb_emit_byte (mb, CEE_LDLEN);
7428 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7430 /* Emit marshalling code */
7432 g_assert (conv != -1);
7434 mono_mb_emit_ldloc (mb, conv_arg);
7435 mono_mb_emit_ldloc (mb, index_var);
7437 mono_mb_emit_ldloc (mb, src_ptr);
7438 mono_mb_emit_byte (mb, CEE_LDIND_I);
7440 mono_mb_emit_icall (mb, conv_to_icall (conv));
7441 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7444 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7445 mono_mb_emit_exception_marshal_directive (mb, msg);
7449 mono_mb_emit_add_to_local (mb, index_var, 1);
7450 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7452 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7454 mono_mb_patch_branch (mb, label1);
7455 mono_mb_patch_branch (mb, label3);
7459 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7461 guint32 label1, label2, label3;
7462 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7463 MonoMarshalConv conv;
7464 gboolean is_string = FALSE;
7467 /* Already handled in CONV_IN */
7470 /* These are already checked in CONV_IN */
7471 g_assert (!t->byref);
7472 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7473 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7475 param_num = spec->data.array_data.param_num;
7476 num_elem = spec->data.array_data.num_elem;
7478 if (spec->data.array_data.elem_mult == 0)
7479 /* param_num is not specified */
7482 if (param_num == -1) {
7483 if (num_elem <= 0) {
7484 g_assert_not_reached ();
7488 /* FIXME: Optimize blittable case */
7490 eklass = klass->element_class;
7491 if (eklass == mono_defaults.string_class) {
7493 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7495 else if (eklass == mono_defaults.stringbuilder_class) {
7497 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7502 mono_marshal_load_type_info (eklass);
7505 esize = sizeof (gpointer);
7507 esize = mono_class_native_size (eklass, NULL);
7509 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7510 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7513 mono_mb_emit_ldloc (mb, conv_arg);
7514 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7516 mono_mb_emit_ldarg (mb, argnum);
7517 mono_mb_emit_stloc (mb, dest_ptr);
7519 if (eklass->blittable) {
7521 mono_mb_emit_ldarg (mb, argnum);
7523 mono_mb_emit_ldloc (mb, conv_arg);
7524 mono_mb_emit_byte (mb, CEE_CONV_I);
7525 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7526 mono_mb_emit_byte (mb, CEE_ADD);
7528 mono_mb_emit_ldloc (mb, conv_arg);
7529 mono_mb_emit_byte (mb, CEE_LDLEN);
7530 mono_mb_emit_icon (mb, esize);
7531 mono_mb_emit_byte (mb, CEE_MUL);
7532 mono_mb_emit_byte (mb, CEE_PREFIX1);
7533 mono_mb_emit_byte (mb, CEE_CPBLK);
7537 /* Emit marshalling loop */
7538 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7539 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7540 mono_mb_emit_stloc (mb, index_var);
7541 label2 = mono_mb_get_label (mb);
7542 mono_mb_emit_ldloc (mb, index_var);
7543 mono_mb_emit_ldloc (mb, conv_arg);
7544 mono_mb_emit_byte (mb, CEE_LDLEN);
7545 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7547 /* Emit marshalling code */
7549 g_assert (conv != -1);
7552 mono_mb_emit_ldloc (mb, dest_ptr);
7555 mono_mb_emit_ldloc (mb, conv_arg);
7556 mono_mb_emit_ldloc (mb, index_var);
7558 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7560 mono_mb_emit_icall (mb, conv_to_icall (conv));
7561 mono_mb_emit_byte (mb, CEE_STIND_I);
7564 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7565 mono_mb_emit_exception_marshal_directive (mb, msg);
7569 mono_mb_emit_add_to_local (mb, index_var, 1);
7570 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7572 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7574 mono_mb_patch_branch (mb, label1);
7575 mono_mb_patch_branch (mb, label3);
7579 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7581 guint32 label1, label2, label3;
7582 int index_var, src, dest, esize;
7583 MonoMarshalConv conv = -1;
7584 gboolean is_string = FALSE;
7586 g_assert (!t->byref);
7588 eklass = klass->element_class;
7590 mono_marshal_load_type_info (eklass);
7592 if (eklass == mono_defaults.string_class) {
7594 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7597 g_assert_not_reached ();
7601 esize = sizeof (gpointer);
7602 else if (eklass == mono_defaults.char_class)
7603 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7605 esize = mono_class_native_size (eklass, NULL);
7607 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7608 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7610 mono_mb_emit_stloc (mb, src);
7611 mono_mb_emit_ldloc (mb, src);
7612 mono_mb_emit_stloc (mb, 3);
7614 /* Check for null */
7615 mono_mb_emit_ldloc (mb, src);
7616 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7618 /* Allocate native array */
7619 mono_mb_emit_icon (mb, esize);
7620 mono_mb_emit_ldloc (mb, src);
7621 mono_mb_emit_byte (mb, CEE_LDLEN);
7623 if (eklass == mono_defaults.string_class) {
7624 /* Make the array bigger for the terminating null */
7625 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7626 mono_mb_emit_byte (mb, CEE_ADD);
7628 mono_mb_emit_byte (mb, CEE_MUL);
7629 mono_mb_emit_icall (mb, mono_marshal_alloc);
7630 mono_mb_emit_stloc (mb, dest);
7631 mono_mb_emit_ldloc (mb, dest);
7632 mono_mb_emit_stloc (mb, 3);
7634 /* Emit marshalling loop */
7635 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7636 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7637 mono_mb_emit_stloc (mb, index_var);
7638 label2 = mono_mb_get_label (mb);
7639 mono_mb_emit_ldloc (mb, index_var);
7640 mono_mb_emit_ldloc (mb, src);
7641 mono_mb_emit_byte (mb, CEE_LDLEN);
7642 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7644 /* Emit marshalling code */
7646 g_assert (conv != -1);
7649 mono_mb_emit_ldloc (mb, dest);
7652 mono_mb_emit_ldloc (mb, src);
7653 mono_mb_emit_ldloc (mb, index_var);
7655 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7657 mono_mb_emit_icall (mb, conv_to_icall (conv));
7658 mono_mb_emit_byte (mb, CEE_STIND_I);
7661 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7662 mono_mb_emit_exception_marshal_directive (mb, msg);
7666 mono_mb_emit_add_to_local (mb, index_var, 1);
7667 mono_mb_emit_add_to_local (mb, dest, esize);
7669 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7671 mono_mb_patch_branch (mb, label3);
7672 mono_mb_patch_branch (mb, label1);
7676 g_assert_not_reached ();
7683 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7684 MonoMarshalSpec *spec,
7685 int conv_arg, MonoType **conv_arg_type,
7686 MarshalAction action)
7688 MonoMethodBuilder *mb = m->mb;
7691 case MARSHAL_ACTION_CONV_IN: {
7692 MonoType *local_type;
7694 guint8 ldc_op = CEE_LDC_I4_1;
7697 local_type = &mono_defaults.int32_class->byval_arg;
7699 switch (spec->native) {
7700 case MONO_NATIVE_I1:
7701 case MONO_NATIVE_U1:
7702 local_type = &mono_defaults.byte_class->byval_arg;
7704 case MONO_NATIVE_VARIANTBOOL:
7705 local_type = &mono_defaults.int16_class->byval_arg;
7706 ldc_op = CEE_LDC_I4_M1;
7708 case MONO_NATIVE_BOOLEAN:
7709 local_type = &mono_defaults.int32_class->byval_arg;
7712 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7713 local_type = &mono_defaults.int32_class->byval_arg;
7718 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7720 *conv_arg_type = local_type;
7721 conv_arg = mono_mb_add_local (mb, local_type);
7723 mono_mb_emit_ldarg (mb, argnum);
7725 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7726 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7727 mono_mb_emit_byte (mb, ldc_op);
7728 mono_mb_emit_stloc (mb, conv_arg);
7729 mono_mb_patch_branch (mb, label_false);
7734 case MARSHAL_ACTION_CONV_OUT:
7736 int label_false, label_end;
7740 mono_mb_emit_ldarg (mb, argnum);
7741 mono_mb_emit_ldloc (mb, conv_arg);
7743 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7744 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7746 label_end = mono_mb_emit_branch (mb, CEE_BR);
7747 mono_mb_patch_branch (mb, label_false);
7748 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7749 mono_mb_patch_branch (mb, label_end);
7751 mono_mb_emit_byte (mb, CEE_STIND_I1);
7755 case MARSHAL_ACTION_PUSH:
7757 mono_mb_emit_ldloc_addr (mb, conv_arg);
7759 mono_mb_emit_ldloc (mb, conv_arg);
7761 mono_mb_emit_ldarg (mb, argnum);
7764 case MARSHAL_ACTION_CONV_RESULT:
7765 /* maybe we need to make sure that it fits within 8 bits */
7766 mono_mb_emit_stloc (mb, 3);
7769 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7770 MonoClass* conv_arg_class = mono_defaults.int32_class;
7771 guint8 ldop = CEE_LDIND_I4;
7772 int label_null, label_false;
7774 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7777 switch (spec->native) {
7778 case MONO_NATIVE_I1:
7779 case MONO_NATIVE_U1:
7780 conv_arg_class = mono_defaults.byte_class;
7781 ldop = CEE_LDIND_I1;
7783 case MONO_NATIVE_VARIANTBOOL:
7784 conv_arg_class = mono_defaults.int16_class;
7785 ldop = CEE_LDIND_I2;
7787 case MONO_NATIVE_BOOLEAN:
7790 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7795 *conv_arg_type = &conv_arg_class->this_arg;
7797 *conv_arg_type = &conv_arg_class->byval_arg;
7800 mono_mb_emit_ldarg (mb, argnum);
7804 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7805 mono_mb_emit_ldarg (mb, argnum);
7806 mono_mb_emit_byte (mb, ldop);
7810 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7811 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7812 mono_mb_emit_stloc (mb, conv_arg);
7813 mono_mb_patch_branch (mb, label_false);
7816 mono_mb_patch_branch (mb, label_null);
7820 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7821 guint8 stop = CEE_STIND_I4;
7822 guint8 ldc_op = CEE_LDC_I4_1;
7823 int label_null,label_false, label_end;;
7828 switch (spec->native) {
7829 case MONO_NATIVE_I1:
7830 case MONO_NATIVE_U1:
7831 stop = CEE_STIND_I1;
7833 case MONO_NATIVE_VARIANTBOOL:
7834 stop = CEE_STIND_I2;
7835 ldc_op = CEE_LDC_I4_M1;
7843 mono_mb_emit_ldarg (mb, argnum);
7844 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
7846 mono_mb_emit_ldarg (mb, argnum);
7847 mono_mb_emit_ldloc (mb, conv_arg);
7849 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7850 mono_mb_emit_byte (mb, ldc_op);
7851 label_end = mono_mb_emit_branch (mb, CEE_BR);
7853 mono_mb_patch_branch (mb, label_false);
7854 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7855 mono_mb_patch_branch (mb, label_end);
7857 mono_mb_emit_byte (mb, stop);
7858 mono_mb_patch_branch (mb, label_null);
7863 g_assert_not_reached ();
7870 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
7871 MonoMarshalSpec *spec, int conv_arg,
7872 MonoType **conv_arg_type, MarshalAction action)
7874 MonoMethodBuilder *mb = m->mb;
7877 case MARSHAL_ACTION_CONV_IN:
7878 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
7879 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
7880 mono_mb_emit_exception_marshal_directive (m->mb, msg);
7884 case MARSHAL_ACTION_PUSH:
7885 mono_mb_emit_ldarg (mb, argnum);
7888 case MARSHAL_ACTION_CONV_RESULT:
7889 /* no conversions necessary */
7890 mono_mb_emit_stloc (mb, 3);
7901 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
7902 MonoMarshalSpec *spec, int conv_arg,
7903 MonoType **conv_arg_type, MarshalAction action)
7905 MonoMethodBuilder *mb = m->mb;
7908 case MARSHAL_ACTION_PUSH:
7909 /* fixme: dont know how to marshal that. We cant simply
7910 * convert it to a one byte UTF8 character, because an
7911 * unicode character may need more that one byte in UTF8 */
7912 mono_mb_emit_ldarg (mb, argnum);
7915 case MARSHAL_ACTION_CONV_RESULT:
7916 /* fixme: we need conversions here */
7917 mono_mb_emit_stloc (mb, 3);
7928 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
7929 MonoMarshalSpec *spec, int conv_arg,
7930 MonoType **conv_arg_type, MarshalAction action)
7932 MonoMethodBuilder *mb = m->mb;
7935 case MARSHAL_ACTION_PUSH:
7936 mono_mb_emit_ldarg (mb, argnum);
7939 case MARSHAL_ACTION_CONV_RESULT:
7940 /* no conversions necessary */
7941 mono_mb_emit_stloc (mb, 3);
7952 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7953 MonoMarshalSpec *spec, int conv_arg,
7954 MonoType **conv_arg_type, MarshalAction action)
7956 /* Ensure that we have marshalling info for this param */
7957 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7959 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7960 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7962 if (spec && spec->native == MONO_NATIVE_ASANY)
7963 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7966 case MONO_TYPE_VALUETYPE:
7967 if (t->data.klass == mono_defaults.handleref_class)
7968 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7970 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7971 case MONO_TYPE_STRING:
7972 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7973 case MONO_TYPE_CLASS:
7974 case MONO_TYPE_OBJECT:
7975 if (spec && spec->native == MONO_NATIVE_STRUCT)
7976 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7979 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
7980 spec->native == MONO_NATIVE_IDISPATCH ||
7981 spec->native == MONO_NATIVE_INTERFACE))
7982 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7983 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
7984 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
7985 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
7986 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7989 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
7990 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
7991 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7993 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7994 case MONO_TYPE_ARRAY:
7995 case MONO_TYPE_SZARRAY:
7996 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7997 case MONO_TYPE_BOOLEAN:
7998 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8000 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8001 case MONO_TYPE_CHAR:
8002 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8015 case MONO_TYPE_FNPTR:
8016 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8017 case MONO_TYPE_GENERICINST:
8018 if (mono_type_generic_inst_is_valuetype (t))
8019 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8021 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8028 * mono_marshal_emit_native_wrapper:
8029 * @image: the image to use for looking up custom marshallers
8030 * @sig: The signature of the native function
8031 * @piinfo: Marshalling information
8032 * @mspecs: Marshalling information
8033 * @aot: whenever the created method will be compiled by the AOT compiler
8034 * @method: if non-NULL, the pinvoke method to call
8035 * @check_exceptions: Whenever to check for pending exceptions after the native call
8037 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8040 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func, gboolean aot, gboolean check_exceptions)
8042 EmitMarshalContext m;
8043 MonoMethodSignature *csig;
8045 int i, argnum, *tmp_locals;
8047 static MonoMethodSignature *get_last_error_sig = NULL;
8052 /* we copy the signature, so that we can set pinvoke to 0 */
8053 csig = signature_dup (mb->method->klass->image, sig);
8058 /* we allocate local for use with emit_struct_conv() */
8059 /* allocate local 0 (pointer) src_ptr */
8060 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8061 /* allocate local 1 (pointer) dst_ptr */
8062 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8063 /* allocate local 2 (boolean) delete_old */
8064 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8066 /* delete_old = FALSE */
8067 mono_mb_emit_icon (mb, 0);
8068 mono_mb_emit_stloc (mb, 2);
8070 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8071 /* allocate local 3 to store the return value */
8072 mono_mb_add_local (mb, sig->ret);
8075 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8076 /* Return type custom marshaling */
8078 * Since we can't determine the return type of the unmanaged function,
8079 * we assume it returns a pointer, and pass that pointer to
8080 * MarshalNativeToManaged.
8082 csig->ret = &mono_defaults.int_class->byval_arg;
8085 /* we first do all conversions */
8086 tmp_locals = alloca (sizeof (int) * sig->param_count);
8087 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8089 for (i = 0; i < sig->param_count; i ++) {
8090 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8093 /* push all arguments */
8096 mono_mb_emit_byte (mb, CEE_LDARG_0);
8098 for (i = 0; i < sig->param_count; i++) {
8099 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8102 /* call the native method */
8103 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8105 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8107 g_assert_not_reached ();
8112 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8113 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8114 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8115 mono_mb_emit_calli (mb, csig);
8117 mono_mb_emit_native_call (mb, csig, func);
8121 /* Set LastError if needed */
8122 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8123 if (!get_last_error_sig) {
8124 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8125 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8126 get_last_error_sig->pinvoke = 1;
8131 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8132 * clobber its value.
8134 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8135 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8137 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8141 /* convert the result */
8142 if (!sig->ret->byref) {
8143 MonoMarshalSpec *spec = mspecs [0];
8144 type = sig->ret->type;
8146 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8147 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8152 case MONO_TYPE_VOID:
8154 case MONO_TYPE_VALUETYPE:
8155 klass = sig->ret->data.klass;
8156 if (klass->enumtype) {
8157 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8160 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8174 case MONO_TYPE_FNPTR:
8175 case MONO_TYPE_STRING:
8176 case MONO_TYPE_CLASS:
8177 case MONO_TYPE_OBJECT:
8178 case MONO_TYPE_BOOLEAN:
8179 case MONO_TYPE_ARRAY:
8180 case MONO_TYPE_SZARRAY:
8181 case MONO_TYPE_CHAR:
8183 case MONO_TYPE_GENERICINST:
8184 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8186 case MONO_TYPE_TYPEDBYREF:
8188 g_warning ("return type 0x%02x unknown", sig->ret->type);
8189 g_assert_not_reached ();
8193 mono_mb_emit_stloc (mb, 3);
8197 * Need to call this after converting the result since MONO_VTADDR needs
8198 * to be adjacent to the call instruction.
8200 if (check_exceptions)
8201 emit_thread_interrupt_checkpoint (mb);
8203 /* we need to convert byref arguments back and free string arrays */
8204 for (i = 0; i < sig->param_count; i++) {
8205 MonoType *t = sig->params [i];
8206 MonoMarshalSpec *spec = mspecs [i + 1];
8208 argnum = i + sig->hasthis;
8210 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8211 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8216 case MONO_TYPE_STRING:
8217 case MONO_TYPE_VALUETYPE:
8218 case MONO_TYPE_CLASS:
8219 case MONO_TYPE_OBJECT:
8220 case MONO_TYPE_SZARRAY:
8221 case MONO_TYPE_BOOLEAN:
8222 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8227 if (!MONO_TYPE_IS_VOID(sig->ret))
8228 mono_mb_emit_ldloc (mb, 3);
8230 mono_mb_emit_byte (mb, CEE_RET);
8233 G_GNUC_UNUSED static void
8234 code_for (MonoMethod *method) {
8235 MonoMethodHeader *header = mono_method_get_header (method);
8236 printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (method, TRUE), mono_disasm_code (0, method, header->code, header->code + header->code_size));
8240 * mono_marshal_get_native_wrapper:
8241 * @method: The MonoMethod to wrap.
8242 * @check_exceptions: Whenever to check for pending exceptions
8244 * generates IL code for the pinvoke wrapper (the generated method
8245 * calls the unmanaged code in piinfo->addr)
8248 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8250 MonoMethodSignature *sig, *csig;
8251 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8252 MonoMethodBuilder *mb;
8253 MonoMarshalSpec **mspecs;
8256 gboolean pinvoke = FALSE;
8259 const char *exc_class = "MissingMethodException";
8260 const char *exc_arg = NULL;
8262 g_assert (method != NULL);
8263 g_assert (mono_method_signature (method)->pinvoke);
8266 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8268 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8269 if ((res = mono_marshal_find_in_cache (cache, method)))
8272 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8274 return mono_cominterop_get_native_wrapper (method);
8276 g_assert_not_reached ();
8280 sig = mono_method_signature (method);
8282 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8283 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8286 if (!piinfo->addr) {
8288 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8289 exc_arg = "Method contains unsupported native code";
8291 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8293 piinfo->addr = mono_lookup_internal_call (method);
8296 /* hack - redirect certain string constructors to CreateString */
8297 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8298 g_assert (!pinvoke);
8299 g_assert (method->string_ctor);
8300 g_assert (sig->hasthis);
8302 /* CreateString returns a value */
8303 csig = signature_dup (method->klass->image, sig);
8304 csig->ret = &mono_defaults.string_class->byval_arg;
8308 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8309 if (!strcmp ("CreateString", res->name) &&
8310 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8312 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8313 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8315 /* create a wrapper to preserve .ctor in stack trace */
8316 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8318 mono_mb_emit_byte (mb, CEE_LDARG_0);
8319 for (i = 1; i <= csig->param_count; i++)
8320 mono_mb_emit_ldarg (mb, i);
8321 mono_mb_emit_managed_call (mb, res, NULL);
8322 mono_mb_emit_byte (mb, CEE_RET);
8324 /* use native_wrapper_cache because internal calls are looked up there */
8325 res = mono_mb_create_and_cache (cache, method,
8326 mb, csig, csig->param_count + 1);
8334 /* exception will be thrown */
8335 piinfo->addr = NULL;
8336 g_warning ("cannot find CreateString for .ctor");
8339 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8341 mb->method->save_lmf = 1;
8344 * In AOT mode and embedding scenarios, it is possible that the icall is not
8345 * registered in the runtime doing the AOT compilation.
8347 if (!piinfo->addr && !aot) {
8348 mono_mb_emit_exception (mb, exc_class, exc_arg);
8349 csig = signature_dup (method->klass->image, sig);
8351 res = mono_mb_create_and_cache (cache, method,
8352 mb, csig, csig->param_count + 16);
8357 /* internal calls: we simply push all arguments and call the method (no conversions) */
8358 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8360 csig = signature_dup_add_this (sig, method->klass);
8362 csig = signature_dup (method->klass->image, sig);
8364 /* hack - string constructors returns a value */
8365 if (method->string_ctor)
8366 csig->ret = &mono_defaults.string_class->byval_arg;
8372 * Add a null check since public icalls can be called with 'call' which
8373 * does no such check.
8375 mono_mb_emit_byte (mb, CEE_LDARG_0);
8376 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8377 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8378 mono_mb_patch_branch (mb, pos);
8380 mono_mb_emit_byte (mb, CEE_LDARG_0);
8383 for (i = 0; i < sig->param_count; i++)
8384 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8387 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8388 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8389 mono_mb_emit_calli (mb, csig);
8391 g_assert (piinfo->addr);
8392 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8394 if (check_exceptions)
8395 emit_thread_interrupt_checkpoint (mb);
8396 mono_mb_emit_byte (mb, CEE_RET);
8398 csig = signature_dup (method->klass->image, csig);
8400 res = mono_mb_create_and_cache (cache, method,
8401 mb, csig, csig->param_count + 16);
8408 g_assert (piinfo->addr);
8410 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8411 mono_method_get_marshal_info (method, mspecs);
8413 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions);
8415 csig = signature_dup (method->klass->image, sig);
8417 res = mono_mb_create_and_cache (cache, method,
8418 mb, csig, csig->param_count + 16);
8421 for (i = sig->param_count; i >= 0; i--)
8423 mono_metadata_free_marshal_spec (mspecs [i]);
8426 /* code_for (res); */
8432 * mono_marshal_get_native_func_wrapper:
8433 * @image: The image to use for memory allocation and for looking up custom marshallers.
8434 * @sig: The signature of the function
8435 * @func: The native function to wrap
8437 * Returns a wrapper method around native functions, similar to the pinvoke
8441 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8442 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8444 MonoMethodSignature *csig;
8446 MonoMethodBuilder *mb;
8451 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8452 if ((res = mono_marshal_find_in_cache (cache, func)))
8455 name = g_strdup_printf ("wrapper_native_%p", func);
8456 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8457 mb->method->save_lmf = 1;
8459 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE);
8461 csig = signature_dup (image, sig);
8463 res = mono_mb_create_and_cache (cache, func,
8464 mb, csig, csig->param_count + 16);
8467 mono_marshal_set_wrapper_info (res, NULL);
8469 /* code_for (res); */
8475 * mono_marshal_emit_managed_wrapper:
8477 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
8478 * the delegate which wraps the managed method to be called. For closed delegates,
8479 * it could have fewer parameters than the method it wraps.
8480 * THIS_LOC is the memory location where the target of the delegate is stored.
8483 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
8485 MonoMethodSignature *sig, *csig;
8487 gboolean closed = FALSE;
8492 /* allocate local 0 (pointer) src_ptr */
8493 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8494 /* allocate local 1 (pointer) dst_ptr */
8495 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8496 /* allocate local 2 (boolean) delete_old */
8497 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8499 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
8500 /* Closed delegate */
8501 g_assert (sig->param_count == invoke_sig->param_count + 1);
8503 /* Use a new signature without the first argument */
8504 sig = mono_metadata_signature_dup (sig);
8505 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
8506 sig->param_count --;
8509 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8510 /* allocate local 3 to store the return value */
8511 mono_mb_add_local (mb, sig->ret);
8514 mono_mb_emit_icon (mb, 0);
8515 mono_mb_emit_stloc (mb, 2);
8517 /* we first do all conversions */
8518 tmp_locals = alloca (sizeof (int) * sig->param_count);
8519 for (i = 0; i < sig->param_count; i ++) {
8520 MonoType *t = sig->params [i];
8523 case MONO_TYPE_OBJECT:
8524 case MONO_TYPE_CLASS:
8525 case MONO_TYPE_VALUETYPE:
8526 case MONO_TYPE_ARRAY:
8527 case MONO_TYPE_SZARRAY:
8528 case MONO_TYPE_STRING:
8529 case MONO_TYPE_BOOLEAN:
8530 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8539 emit_thread_interrupt_checkpoint (mb);
8542 if (target_handle) {
8543 mono_mb_emit_icon (mb, (gint32)target_handle);
8544 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8547 g_assert_not_reached ();
8549 } else if (closed) {
8550 mono_mb_emit_icon (mb, (gint32)target_handle);
8551 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8554 for (i = 0; i < sig->param_count; i++) {
8555 MonoType *t = sig->params [i];
8557 if (tmp_locals [i]) {
8559 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8561 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8564 mono_mb_emit_ldarg (mb, i);
8567 mono_mb_emit_managed_call (mb, method, NULL);
8569 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8570 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8571 } else if (!sig->ret->byref) {
8572 switch (sig->ret->type) {
8573 case MONO_TYPE_VOID:
8575 case MONO_TYPE_BOOLEAN:
8578 case MONO_TYPE_CHAR:
8590 case MONO_TYPE_OBJECT:
8591 mono_mb_emit_stloc (mb, 3);
8593 case MONO_TYPE_STRING:
8594 csig->ret = &mono_defaults.int_class->byval_arg;
8595 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8597 case MONO_TYPE_VALUETYPE:
8598 case MONO_TYPE_CLASS:
8599 case MONO_TYPE_SZARRAY:
8600 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8603 g_warning ("return type 0x%02x unknown", sig->ret->type);
8604 g_assert_not_reached ();
8607 mono_mb_emit_stloc (mb, 3);
8610 /* Convert byref arguments back */
8611 for (i = 0; i < sig->param_count; i ++) {
8612 MonoType *t = sig->params [i];
8613 MonoMarshalSpec *spec = mspecs [i + 1];
8615 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8616 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8618 else if (t->byref) {
8620 case MONO_TYPE_CLASS:
8621 case MONO_TYPE_VALUETYPE:
8622 case MONO_TYPE_OBJECT:
8623 case MONO_TYPE_STRING:
8624 case MONO_TYPE_BOOLEAN:
8625 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8629 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
8630 /* The [Out] information is encoded in the delegate signature */
8632 case MONO_TYPE_SZARRAY:
8633 case MONO_TYPE_CLASS:
8634 case MONO_TYPE_VALUETYPE:
8635 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
8638 g_assert_not_reached ();
8643 if (m->retobj_var) {
8644 mono_mb_emit_ldloc (mb, m->retobj_var);
8645 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8646 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
8649 if (!MONO_TYPE_IS_VOID(sig->ret))
8650 mono_mb_emit_ldloc (mb, 3);
8651 mono_mb_emit_byte (mb, CEE_RET);
8660 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
8662 MonoMethodSignature *sig;
8667 * Under windows, delegates passed to native code must use the STDCALL
8668 * calling convention.
8670 csig->call_convention = MONO_CALL_STDCALL;
8673 sig = mono_method_signature (method);
8675 /* Change default calling convention if needed */
8676 /* Why is this a modopt ? */
8677 if (sig->ret && sig->ret->num_mods) {
8678 for (i = 0; i < sig->ret->num_mods; ++i) {
8679 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
8680 g_assert (cmod_class);
8681 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
8682 if (!strcmp (cmod_class->name, "CallConvCdecl"))
8683 csig->call_convention = MONO_CALL_C;
8684 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
8685 csig->call_convention = MONO_CALL_STDCALL;
8686 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
8687 csig->call_convention = MONO_CALL_FASTCALL;
8688 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
8689 csig->call_convention = MONO_CALL_THISCALL;
8696 * generates IL code to call managed methods from unmanaged code
8699 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
8701 static MonoClass *UnmanagedFunctionPointerAttribute;
8702 MonoMethodSignature *sig, *csig, *invoke_sig;
8703 MonoMethodBuilder *mb;
8704 MonoMethod *res, *invoke;
8705 MonoMarshalSpec **mspecs;
8706 MonoMethodPInvoke piinfo;
8709 EmitMarshalContext m;
8711 g_assert (method != NULL);
8712 g_assert (!mono_method_signature (method)->pinvoke);
8715 * FIXME: Should cache the method+delegate type pair, since the same method
8716 * could be called with different delegates, thus different marshalling
8719 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
8720 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
8723 invoke = mono_get_delegate_invoke (delegate_klass);
8724 invoke_sig = mono_method_signature (invoke);
8726 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8727 mono_method_get_marshal_info (invoke, mspecs);
8729 sig = mono_method_signature (method);
8731 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8733 /*the target gchandle must be the first entry after size and the wrapper itself.*/
8734 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
8736 /* we copy the signature, so that we can modify it */
8738 /* Need to free this later */
8739 csig = mono_metadata_signature_dup (invoke_sig);
8741 csig = signature_dup (method->klass->image, invoke_sig);
8750 m.image = method->klass->image;
8752 mono_marshal_set_callconv_from_modopt (invoke, csig);
8754 /* Handle the UnmanagedFunctionPointerAttribute */
8755 if (!UnmanagedFunctionPointerAttribute)
8756 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
8758 /* The attribute is only available in Net 2.0 */
8759 if (UnmanagedFunctionPointerAttribute) {
8760 MonoCustomAttrInfo *cinfo;
8761 MonoCustomAttrEntry *attr;
8764 * The pinvoke attributes are stored in a real custom attribute. Obtain the
8765 * contents of the attribute without constructing it, as that might not be
8766 * possible when running in cross-compiling mode.
8768 cinfo = mono_custom_attrs_from_class (delegate_klass);
8771 for (i = 0; i < cinfo->num_attrs; ++i) {
8772 if (mono_class_has_parent (cinfo->attrs [i].ctor->klass, UnmanagedFunctionPointerAttribute)) {
8773 attr = &cinfo->attrs [i];
8779 MonoArray *typed_args, *named_args;
8780 CattrNamedArg *arginfo;
8784 MonoBoolean set_last_error = 0;
8785 MonoBoolean best_fit_mapping = 0;
8786 MonoBoolean throw_on_unmappable = 0;
8788 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo);
8790 g_assert (mono_array_length (typed_args) == 1);
8793 o = mono_array_get (typed_args, MonoObject*, 0);
8794 call_conv = *(gint32*)mono_object_unbox (o);
8797 for (i = 0; i < mono_array_length (named_args); ++i) {
8798 CattrNamedArg *narg = &arginfo [i];
8800 o = mono_array_get (named_args, MonoObject*, i);
8802 g_assert (narg->field);
8803 if (!strcmp (narg->field->name, "CharSet")) {
8804 charset = *(gint32*)mono_object_unbox (o);
8805 } else if (!strcmp (narg->field->name, "SetLastError")) {
8806 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
8807 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
8808 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
8809 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
8810 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
8812 g_assert_not_reached ();
8818 memset (&piinfo, 0, sizeof (piinfo));
8820 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
8822 csig->call_convention = call_conv - 1;
8825 if (cinfo && !cinfo->cached)
8826 mono_custom_attrs_free (cinfo);
8829 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
8832 res = mono_mb_create_and_cache (cache, method,
8833 mb, csig, sig->param_count + 16);
8836 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
8840 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8842 mono_metadata_free_marshal_spec (mspecs [i]);
8845 /* code_for (res); */
8851 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
8854 MonoMethodSignature *sig;
8855 MonoMethodBuilder *mb;
8860 method = mono_get_method (image, token, NULL);
8863 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
8864 MonoMethodSignature *csig;
8865 MonoMarshalSpec **mspecs;
8866 EmitMarshalContext m;
8868 sig = mono_method_signature (method);
8869 g_assert (!sig->hasthis);
8871 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
8872 mono_method_get_marshal_info (method, mspecs);
8874 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8875 csig = signature_dup (image, sig);
8886 mono_marshal_set_callconv_from_modopt (method, csig);
8888 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
8890 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
8893 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
8896 for (i = sig->param_count; i >= 0; i--)
8898 mono_metadata_free_marshal_spec (mspecs [i]);
8901 return mono_compile_method (method);
8904 sig = mono_method_signature (method);
8905 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8907 param_count = sig->param_count + sig->hasthis;
8908 for (i = 0; i < param_count; i++)
8909 mono_mb_emit_ldarg (mb, i);
8911 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
8912 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
8914 mono_mb_emit_op (mb, CEE_CALL, method);
8915 mono_mb_emit_byte (mb, CEE_RET);
8918 method = mono_mb_create_method (mb, sig, param_count);
8921 return mono_compile_method (method);
8924 static MonoReflectionType *
8925 type_from_handle (MonoType *handle)
8927 MonoDomain *domain = mono_domain_get ();
8928 MonoClass *klass = mono_class_from_mono_type (handle);
8930 MONO_ARCH_SAVE_REGS;
8932 mono_class_init (klass);
8933 return mono_type_get_object (domain, handle);
8937 * This does the equivalent of mono_object_castclass_with_cache.
8940 mono_marshal_get_castclass_with_cache (void)
8942 static MonoMethod *cached;
8944 MonoMethodBuilder *mb;
8945 MonoMethodSignature *sig;
8946 int return_null_pos, cache_miss_pos, invalid_cast_pos;
8951 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
8952 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8953 sig->params [0] = &mono_defaults.object_class->byval_arg;
8954 sig->params [1] = &mono_defaults.int_class->byval_arg;
8955 sig->params [2] = &mono_defaults.int_class->byval_arg;
8956 sig->ret = &mono_defaults.object_class->byval_arg;
8959 /* allocate local 0 (pointer) obj_vtable */
8960 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8963 mono_mb_emit_ldarg (mb, 0);
8964 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8966 /*obj_vtable = obj->vtable;*/
8967 mono_mb_emit_ldarg (mb, 0);
8968 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8969 mono_mb_emit_byte (mb, CEE_LDIND_I);
8970 mono_mb_emit_stloc (mb, 0);
8973 mono_mb_emit_ldarg (mb, 2);
8974 mono_mb_emit_byte (mb, CEE_LDIND_I);
8975 mono_mb_emit_ldloc (mb, 0);
8977 /*if (*cache == obj_vtable)*/
8978 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
8981 mono_mb_emit_ldarg (mb, 0);
8982 mono_mb_emit_byte (mb, CEE_RET);
8984 mono_mb_patch_branch (mb, cache_miss_pos);
8985 /*if (mono_object_isinst (obj, klass)) */
8986 mono_mb_emit_ldarg (mb, 0);
8987 mono_mb_emit_ldarg (mb, 1);
8988 mono_mb_emit_icall (mb, mono_object_isinst);
8989 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8991 /**cache = obj_vtable;*/
8992 mono_mb_emit_ldarg (mb, 2);
8993 mono_mb_emit_ldloc (mb, 0);
8994 mono_mb_emit_byte (mb, CEE_STIND_I);
8997 mono_mb_emit_ldarg (mb, 0);
8998 mono_mb_emit_byte (mb, CEE_RET);
9001 mono_mb_patch_branch (mb, invalid_cast_pos);
9002 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9005 mono_mb_patch_branch (mb, return_null_pos);
9006 mono_mb_emit_byte (mb, CEE_LDNULL);
9007 mono_mb_emit_byte (mb, CEE_RET);
9009 res = mono_mb_create_method (mb, sig, 8);
9010 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9011 mono_free_method (res);
9012 mono_metadata_free_method_signature (sig);
9020 * This does the equivalent of mono_object_isinst_with_cache.
9023 mono_marshal_get_isinst_with_cache (void)
9025 static MonoMethod *cached;
9027 MonoMethodBuilder *mb;
9028 MonoMethodSignature *sig;
9029 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9034 mb = mono_mb_new (mono_defaults.object_class, "__isisnt_with_cache", MONO_WRAPPER_CASTCLASS);
9035 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9036 sig->params [0] = &mono_defaults.object_class->byval_arg;
9037 sig->params [1] = &mono_defaults.int_class->byval_arg;
9038 sig->params [2] = &mono_defaults.int_class->byval_arg;
9039 sig->ret = &mono_defaults.object_class->byval_arg;
9042 /* allocate local 0 (pointer) obj_vtable */
9043 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9044 /* allocate local 1 (pointer) cached_vtable */
9045 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9048 mono_mb_emit_ldarg (mb, 0);
9049 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9051 /*obj_vtable = obj->vtable;*/
9052 mono_mb_emit_ldarg (mb, 0);
9053 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9054 mono_mb_emit_byte (mb, CEE_LDIND_I);
9055 mono_mb_emit_stloc (mb, 0);
9057 /* cached_vtable = *cache*/
9058 mono_mb_emit_ldarg (mb, 2);
9059 mono_mb_emit_byte (mb, CEE_LDIND_I);
9060 mono_mb_emit_stloc (mb, 1);
9062 mono_mb_emit_ldloc (mb, 1);
9063 mono_mb_emit_byte (mb, CEE_LDC_I4);
9064 mono_mb_emit_i4 (mb, ~0x1);
9065 mono_mb_emit_byte (mb, CEE_CONV_U);
9066 mono_mb_emit_byte (mb, CEE_AND);
9067 mono_mb_emit_ldloc (mb, 0);
9068 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9069 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9071 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9072 mono_mb_emit_ldloc (mb, 1);
9073 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9074 mono_mb_emit_byte (mb, CEE_CONV_U);
9075 mono_mb_emit_byte (mb, CEE_AND);
9076 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9079 mono_mb_emit_ldarg (mb, 0);
9080 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9083 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9084 mono_mb_emit_byte (mb, CEE_LDNULL);
9086 mono_mb_patch_branch (mb, cache_hit_pos);
9087 mono_mb_emit_byte (mb, CEE_RET);
9089 mono_mb_patch_branch (mb, cache_miss_pos);
9090 /*if (mono_object_isinst (obj, klass)) */
9091 mono_mb_emit_ldarg (mb, 0);
9092 mono_mb_emit_ldarg (mb, 1);
9093 mono_mb_emit_icall (mb, mono_object_isinst);
9094 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9096 /**cache = obj_vtable;*/
9097 mono_mb_emit_ldarg (mb, 2);
9098 mono_mb_emit_ldloc (mb, 0);
9099 mono_mb_emit_byte (mb, CEE_STIND_I);
9102 mono_mb_emit_ldarg (mb, 0);
9103 mono_mb_emit_byte (mb, CEE_RET);
9106 mono_mb_patch_branch (mb, not_an_instance_pos);
9107 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9108 mono_mb_emit_ldarg (mb, 2);
9109 /*obj_vtable | 0x1*/
9110 mono_mb_emit_ldloc (mb, 0);
9111 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9112 mono_mb_emit_byte (mb, CEE_CONV_U);
9113 mono_mb_emit_byte (mb, CEE_OR);
9116 mono_mb_emit_byte (mb, CEE_STIND_I);
9119 mono_mb_patch_branch (mb, return_null_pos);
9120 mono_mb_emit_byte (mb, CEE_LDNULL);
9121 mono_mb_emit_byte (mb, CEE_RET);
9123 res = mono_mb_create_method (mb, sig, 8);
9124 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9125 mono_free_method (res);
9126 mono_metadata_free_method_signature (sig);
9134 * mono_marshal_get_isinst:
9135 * @klass: the type of the field
9137 * This method generates a function which can be used to check if an object is
9138 * an instance of the given type, icluding the case where the object is a proxy.
9139 * The generated function has the following signature:
9140 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9143 mono_marshal_get_isinst (MonoClass *klass)
9145 static MonoMethodSignature *isint_sig = NULL;
9148 int pos_was_ok, pos_failed, pos_end, pos_end2;
9150 MonoMethodBuilder *mb;
9152 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9153 if ((res = mono_marshal_find_in_cache (cache, klass)))
9157 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9158 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9159 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9160 isint_sig->pinvoke = 0;
9163 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9164 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9167 mb->method->save_lmf = 1;
9169 /* check if the object is a proxy that needs special cast */
9170 mono_mb_emit_ldarg (mb, 0);
9171 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9172 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9174 /* The result of MONO_ISINST can be:
9175 0) the type check succeeded
9176 1) the type check did not succeed
9177 2) a CanCastTo call is needed */
9179 mono_mb_emit_byte (mb, CEE_DUP);
9180 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9182 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9183 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9185 /* get the real proxy from the transparent proxy*/
9187 mono_mb_emit_ldarg (mb, 0);
9188 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9189 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9193 mono_mb_patch_branch (mb, pos_failed);
9194 mono_mb_emit_byte (mb, CEE_LDNULL);
9195 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9199 mono_mb_patch_branch (mb, pos_was_ok);
9200 mono_mb_emit_byte (mb, CEE_POP);
9201 mono_mb_emit_ldarg (mb, 0);
9205 mono_mb_patch_branch (mb, pos_end);
9206 mono_mb_patch_branch (mb, pos_end2);
9207 mono_mb_emit_byte (mb, CEE_RET);
9209 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9216 * mono_marshal_get_castclass:
9217 * @klass: the type of the field
9219 * This method generates a function which can be used to cast an object to
9220 * an instance of the given type, icluding the case where the object is a proxy.
9221 * The generated function has the following signature:
9222 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
9225 mono_marshal_get_castclass (MonoClass *klass)
9227 static MonoMethodSignature *castclass_sig = NULL;
9230 int pos_was_ok, pos_was_ok2;
9232 MonoMethodBuilder *mb;
9234 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
9235 if ((res = mono_marshal_find_in_cache (cache, klass)))
9238 if (!castclass_sig) {
9239 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9240 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
9241 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
9242 castclass_sig->pinvoke = 0;
9245 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
9246 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
9249 mb->method->save_lmf = 1;
9251 /* check if the object is a proxy that needs special cast */
9252 mono_mb_emit_ldarg (mb, 0);
9253 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9254 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
9256 /* The result of MONO_ISINST can be:
9257 0) the cast is valid
9258 1) cast of unknown proxy type
9259 or an exception if the cast is is invalid
9262 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9264 /* get the real proxy from the transparent proxy*/
9266 mono_mb_emit_ldarg (mb, 0);
9267 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9268 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9271 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9274 mono_mb_patch_branch (mb, pos_was_ok);
9275 mono_mb_patch_branch (mb, pos_was_ok2);
9276 mono_mb_emit_ldarg (mb, 0);
9279 mono_mb_emit_byte (mb, CEE_RET);
9281 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
9288 mono_marshal_get_proxy_cancast (MonoClass *klass)
9290 static MonoMethodSignature *isint_sig = NULL;
9293 int pos_failed, pos_end;
9295 MonoMethod *can_cast_to;
9296 MonoMethodDesc *desc;
9297 MonoMethodBuilder *mb;
9299 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
9300 if ((res = mono_marshal_find_in_cache (cache, klass)))
9304 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9305 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9306 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9307 isint_sig->pinvoke = 0;
9310 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
9311 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
9314 mb->method->save_lmf = 1;
9316 /* get the real proxy from the transparent proxy*/
9317 mono_mb_emit_ldarg (mb, 0);
9318 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
9319 mono_mb_emit_byte (mb, CEE_LDIND_REF);
9321 /* get the reflection type from the type handle */
9322 mono_mb_emit_ptr (mb, &klass->byval_arg);
9323 mono_mb_emit_icall (mb, type_from_handle);
9325 mono_mb_emit_ldarg (mb, 0);
9327 /* make the call to CanCastTo (type, ob) */
9328 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
9329 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
9330 g_assert (can_cast_to);
9331 mono_method_desc_free (desc);
9332 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
9334 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
9336 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
9337 mono_mb_emit_ptr (mb, &klass->byval_arg);
9338 mono_mb_emit_icall (mb, type_from_handle);
9339 mono_mb_emit_ldarg (mb, 0);
9341 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
9342 emit_thread_interrupt_checkpoint (mb);
9344 mono_mb_emit_ldarg (mb, 0);
9345 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9349 mono_mb_patch_branch (mb, pos_failed);
9350 mono_mb_emit_byte (mb, CEE_LDNULL);
9354 mono_mb_patch_branch (mb, pos_end);
9355 mono_mb_emit_byte (mb, CEE_RET);
9357 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9364 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
9367 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
9368 klass = mono_class_from_mono_type (rtype->type);
9369 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
9373 * mono_marshal_get_struct_to_ptr:
9376 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
9379 mono_marshal_get_struct_to_ptr (MonoClass *klass)
9381 MonoMethodBuilder *mb;
9382 static MonoMethod *stoptr = NULL;
9385 g_assert (klass != NULL);
9387 mono_marshal_load_type_info (klass);
9389 if (klass->marshal_info->str_to_ptr)
9390 return klass->marshal_info->str_to_ptr;
9393 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
9396 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
9398 if (klass->blittable) {
9399 mono_mb_emit_byte (mb, CEE_LDARG_1);
9400 mono_mb_emit_byte (mb, CEE_LDARG_0);
9401 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9402 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9403 mono_mb_emit_byte (mb, CEE_PREFIX1);
9404 mono_mb_emit_byte (mb, CEE_CPBLK);
9407 /* allocate local 0 (pointer) src_ptr */
9408 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9409 /* allocate local 1 (pointer) dst_ptr */
9410 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9411 /* allocate local 2 (boolean) delete_old */
9412 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9413 mono_mb_emit_byte (mb, CEE_LDARG_2);
9414 mono_mb_emit_stloc (mb, 2);
9416 /* initialize src_ptr to point to the start of object data */
9417 mono_mb_emit_byte (mb, CEE_LDARG_0);
9418 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9419 mono_mb_emit_stloc (mb, 0);
9421 /* initialize dst_ptr */
9422 mono_mb_emit_byte (mb, CEE_LDARG_1);
9423 mono_mb_emit_stloc (mb, 1);
9425 emit_struct_conv (mb, klass, FALSE);
9428 mono_mb_emit_byte (mb, CEE_RET);
9430 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
9433 klass->marshal_info->str_to_ptr = res;
9438 * mono_marshal_get_ptr_to_struct:
9441 * generates IL code for PtrToStructure (IntPtr src, object structure)
9444 mono_marshal_get_ptr_to_struct (MonoClass *klass)
9446 MonoMethodBuilder *mb;
9447 static MonoMethodSignature *ptostr = NULL;
9450 g_assert (klass != NULL);
9452 mono_marshal_load_type_info (klass);
9454 if (klass->marshal_info->ptr_to_str)
9455 return klass->marshal_info->ptr_to_str;
9458 MonoMethodSignature *sig;
9460 /* Create the signature corresponding to
9461 static void PtrToStructure (IntPtr ptr, object structure);
9462 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
9463 sig = mono_create_icall_signature ("void ptr object");
9464 sig = signature_dup (mono_defaults.corlib, sig);
9466 mono_memory_barrier ();
9470 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
9472 if (klass->blittable) {
9473 mono_mb_emit_byte (mb, CEE_LDARG_1);
9474 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9475 mono_mb_emit_byte (mb, CEE_LDARG_0);
9476 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9477 mono_mb_emit_byte (mb, CEE_PREFIX1);
9478 mono_mb_emit_byte (mb, CEE_CPBLK);
9481 /* allocate local 0 (pointer) src_ptr */
9482 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9483 /* allocate local 1 (pointer) dst_ptr */
9484 mono_mb_add_local (mb, &klass->this_arg);
9486 /* initialize src_ptr to point to the start of object data */
9487 mono_mb_emit_byte (mb, CEE_LDARG_0);
9488 mono_mb_emit_stloc (mb, 0);
9490 /* initialize dst_ptr */
9491 mono_mb_emit_byte (mb, CEE_LDARG_1);
9492 mono_mb_emit_op (mb, CEE_UNBOX, klass);
9493 mono_mb_emit_stloc (mb, 1);
9495 emit_struct_conv (mb, klass, TRUE);
9498 mono_mb_emit_byte (mb, CEE_RET);
9500 res = mono_mb_create_method (mb, ptostr, 0);
9503 klass->marshal_info->ptr_to_str = res;
9508 * generates IL code for the synchronized wrapper: the generated method
9509 * calls METHOD while locking 'this' or the parent type.
9512 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
9514 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
9515 MonoMethodSignature *sig;
9516 MonoExceptionClause *clause;
9517 MonoMethodBuilder *mb;
9520 int i, pos, this_local, ret_local = 0;
9524 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
9527 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
9528 if ((res = mono_marshal_find_in_cache (cache, method)))
9531 sig = signature_dup (method->klass->image, mono_method_signature (method));
9534 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
9537 if (!MONO_TYPE_IS_VOID (sig->ret))
9538 ret_local = mono_mb_add_local (mb, sig->ret);
9540 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
9541 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
9542 /* This will throw the type load exception when the wrapper is compiled */
9543 mono_mb_emit_byte (mb, CEE_LDNULL);
9544 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
9545 mono_mb_emit_byte (mb, CEE_POP);
9547 if (!MONO_TYPE_IS_VOID (sig->ret))
9548 mono_mb_emit_ldloc (mb, ret_local);
9549 mono_mb_emit_byte (mb, CEE_RET);
9551 res = mono_mb_create_and_cache (cache, method,
9552 mb, sig, sig->param_count + 16);
9559 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
9561 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
9562 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
9564 mono_loader_lock ();
9566 if (!enter_method) {
9567 MonoMethodDesc *desc;
9569 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
9570 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9571 g_assert (enter_method);
9572 mono_method_desc_free (desc);
9574 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
9575 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
9576 g_assert (exit_method);
9577 mono_method_desc_free (desc);
9579 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
9580 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
9581 g_assert (gettypefromhandle_method);
9582 mono_method_desc_free (desc);
9585 mono_loader_unlock ();
9587 /* Push this or the type object */
9588 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
9589 /* We have special handling for this in the JIT */
9590 int index = mono_mb_add_data (mb, method->klass);
9591 mono_mb_add_data (mb, mono_defaults.typehandle_class);
9592 mono_mb_emit_byte (mb, CEE_LDTOKEN);
9593 mono_mb_emit_i4 (mb, index);
9595 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
9598 mono_mb_emit_ldarg (mb, 0);
9599 mono_mb_emit_stloc (mb, this_local);
9601 /* Call Monitor::Enter() */
9602 mono_mb_emit_ldloc (mb, this_local);
9603 mono_mb_emit_managed_call (mb, enter_method, NULL);
9605 clause->try_offset = mono_mb_get_label (mb);
9607 /* Call the method */
9609 mono_mb_emit_ldarg (mb, 0);
9610 for (i = 0; i < sig->param_count; i++)
9611 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
9613 mono_mb_emit_managed_call (mb, method, NULL);
9615 if (!MONO_TYPE_IS_VOID (sig->ret))
9616 mono_mb_emit_stloc (mb, ret_local);
9618 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
9620 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
9621 clause->handler_offset = mono_mb_get_label (mb);
9623 /* Call Monitor::Exit() */
9624 mono_mb_emit_ldloc (mb, this_local);
9625 mono_mb_emit_managed_call (mb, exit_method, NULL);
9626 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
9628 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
9630 mono_mb_patch_branch (mb, pos);
9631 if (!MONO_TYPE_IS_VOID (sig->ret))
9632 mono_mb_emit_ldloc (mb, ret_local);
9633 mono_mb_emit_byte (mb, CEE_RET);
9635 mono_mb_set_clauses (mb, 1, clause);
9637 res = mono_mb_create_and_cache (cache, method,
9638 mb, sig, sig->param_count + 16);
9646 * the returned method calls 'method' unboxing the this argument
9649 mono_marshal_get_unbox_wrapper (MonoMethod *method)
9651 MonoMethodSignature *sig = mono_method_signature (method);
9653 MonoMethodBuilder *mb;
9657 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
9658 if ((res = mono_marshal_find_in_cache (cache, method)))
9661 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
9663 g_assert (sig->hasthis);
9665 mono_mb_emit_ldarg (mb, 0);
9666 mono_mb_emit_icon (mb, sizeof (MonoObject));
9667 mono_mb_emit_byte (mb, CEE_ADD);
9668 for (i = 0; i < sig->param_count; ++i)
9669 mono_mb_emit_ldarg (mb, i + 1);
9670 mono_mb_emit_managed_call (mb, method, NULL);
9671 mono_mb_emit_byte (mb, CEE_RET);
9673 res = mono_mb_create_and_cache (cache, method,
9674 mb, sig, sig->param_count + 16);
9677 /* code_for (res); */
9683 STELEMREF_OBJECT, /*no check at all*/
9684 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
9685 STELEMREF_CLASS, /*only the klass->parents check*/
9686 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
9687 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
9688 STELEMREF_KIND_COUNT
9691 static const char *strelemref_wrapper_name[] = {
9692 "object", "sealed_class", "class", "interface", "complex"
9696 is_monomorphic_array (MonoClass *klass)
9698 MonoClass *element_class;
9699 if (klass->rank != 1)
9702 element_class = klass->element_class;
9703 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
9707 get_virtual_stelemref_kind (MonoClass *element_class)
9709 if (element_class == mono_defaults.object_class)
9710 return STELEMREF_OBJECT;
9711 if (is_monomorphic_array (element_class))
9712 return STELEMREF_SEALED_CLASS;
9713 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
9714 return STELEMREF_INTERFACE;
9715 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
9716 if (element_class->marshalbyref || element_class->rank || mono_class_has_variant_generic_params (element_class))
9717 return STELEMREF_COMPLEX;
9718 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
9719 return STELEMREF_SEALED_CLASS;
9720 return STELEMREF_CLASS;
9724 load_array_element_address (MonoMethodBuilder *mb)
9726 mono_mb_emit_ldarg (mb, 0);
9727 mono_mb_emit_ldarg (mb, 1);
9728 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9732 load_array_class (MonoMethodBuilder *mb, int aklass)
9734 mono_mb_emit_ldarg (mb, 0);
9735 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9736 mono_mb_emit_byte (mb, CEE_LDIND_I);
9737 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9738 mono_mb_emit_byte (mb, CEE_LDIND_I);
9739 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
9740 mono_mb_emit_byte (mb, CEE_LDIND_I);
9741 mono_mb_emit_stloc (mb, aklass);
9745 load_value_class (MonoMethodBuilder *mb, int vklass)
9747 mono_mb_emit_ldarg (mb, 2);
9748 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9749 mono_mb_emit_byte (mb, CEE_LDIND_I);
9750 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
9751 mono_mb_emit_byte (mb, CEE_LDIND_I);
9752 mono_mb_emit_stloc (mb, vklass);
9757 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
9759 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
9760 printf ("slow vstore of %s\n", name);
9766 * The wrapper info for the wrapper contains the wrapper 'kind' + 1.
9769 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
9770 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
9771 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
9772 * - Add a case for arrays of arrays.
9775 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
9777 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
9778 static MonoMethodSignature *signature;
9779 MonoMethodBuilder *mb;
9785 int aklass, vklass, vtable, uiid;
9786 int array_slot_addr;
9788 g_assert (array_class->rank == 1);
9789 kind = get_virtual_stelemref_kind (array_class->element_class);
9791 if (cached_methods [kind])
9792 return cached_methods [kind];
9794 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
9795 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
9799 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
9801 /* void this::stelemref (size_t idx, void* value) */
9802 sig->ret = &mono_defaults.void_class->byval_arg;
9803 sig->hasthis = TRUE;
9804 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9805 sig->params [1] = &mono_defaults.object_class->byval_arg;
9809 /*For now simply call plain old stelemref*/
9811 case STELEMREF_OBJECT:
9812 /* ldelema (implicit bound check) */
9813 load_array_element_address (mb);
9815 mono_mb_emit_ldarg (mb, 2);
9816 mono_mb_emit_byte (mb, CEE_STIND_REF);
9817 mono_mb_emit_byte (mb, CEE_RET);
9820 case STELEMREF_COMPLEX:
9822 <ldelema (bound check)>
9825 if (!mono_object_isinst (value, aklass))
9829 *array_slot_addr = value;
9832 throw new ArrayTypeMismatchException ();
9835 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9836 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9840 /*Use this to debug/record stores that are going thru the slow path*/
9841 MonoMethodSignature *csig;
9842 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9843 csig->ret = &mono_defaults.void_class->byval_arg;
9844 csig->params [0] = &mono_defaults.object_class->byval_arg;
9845 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9846 csig->params [2] = &mono_defaults.object_class->byval_arg;
9847 mono_mb_emit_ldarg (mb, 0);
9848 mono_mb_emit_ldarg (mb, 1);
9849 mono_mb_emit_ldarg (mb, 2);
9850 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
9854 /* ldelema (implicit bound check) */
9855 load_array_element_address (mb);
9856 mono_mb_emit_stloc (mb, array_slot_addr);
9858 /* if (!value) goto do_store */
9859 mono_mb_emit_ldarg (mb, 2);
9860 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9862 /* aklass = array->vtable->klass->element_class */
9863 load_array_class (mb, aklass);
9865 /*if (mono_object_isinst (value, aklass)) */
9866 mono_mb_emit_ldarg (mb, 2);
9867 mono_mb_emit_ldloc (mb, aklass);
9868 mono_mb_emit_icall (mb, mono_object_isinst);
9869 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9872 mono_mb_patch_branch (mb, b1);
9873 mono_mb_emit_ldloc (mb, array_slot_addr);
9874 mono_mb_emit_ldarg (mb, 2);
9875 mono_mb_emit_byte (mb, CEE_STIND_REF);
9876 mono_mb_emit_byte (mb, CEE_RET);
9879 mono_mb_patch_branch (mb, b2);
9881 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9884 case STELEMREF_SEALED_CLASS:
9886 <ldelema (bound check)>
9890 aklass = array->vtable->klass->element_class;
9891 vklass = value->vtable->klass;
9893 if (vklass != aklass)
9897 *array_slot_addr = value;
9900 throw new ArrayTypeMismatchException ();
9902 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9903 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9904 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9907 /* ldelema (implicit bound check) */
9908 load_array_element_address (mb);
9909 mono_mb_emit_stloc (mb, array_slot_addr);
9911 /* if (!value) goto do_store */
9912 mono_mb_emit_ldarg (mb, 2);
9913 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9915 /* aklass = array->vtable->klass->element_class */
9916 load_array_class (mb, aklass);
9918 /* vklass = value->vtable->klass */
9919 load_value_class (mb, vklass);
9921 /*if (vklass != aklass) goto do_exception; */
9922 mono_mb_emit_ldloc (mb, aklass);
9923 mono_mb_emit_ldloc (mb, vklass);
9924 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9927 mono_mb_patch_branch (mb, b1);
9928 mono_mb_emit_ldloc (mb, array_slot_addr);
9929 mono_mb_emit_ldarg (mb, 2);
9930 mono_mb_emit_byte (mb, CEE_STIND_REF);
9931 mono_mb_emit_byte (mb, CEE_RET);
9934 mono_mb_patch_branch (mb, b2);
9935 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9938 case STELEMREF_CLASS:
9941 <ldelema (bound check)>
9945 aklass = array->vtable->klass->element_class;
9946 vklass = value->vtable->klass;
9948 if (vklass->idepth < aklass->idepth)
9951 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9955 *array_slot_addr = value;
9959 throw new ArrayTypeMismatchException ();
9961 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9962 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9963 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9965 /* ldelema (implicit bound check) */
9966 load_array_element_address (mb);
9967 mono_mb_emit_stloc (mb, array_slot_addr);
9969 /* if (!value) goto do_store */
9970 mono_mb_emit_ldarg (mb, 2);
9971 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9973 /* aklass = array->vtable->klass->element_class */
9974 load_array_class (mb, aklass);
9976 /* vklass = value->vtable->klass */
9977 load_value_class (mb, vklass);
9979 /*if (mono_object_isinst (value, aklass)) */
9980 mono_mb_emit_ldarg (mb, 2);
9981 mono_mb_emit_ldloc (mb, aklass);
9982 mono_mb_emit_icall (mb, mono_object_isinst);
9983 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9985 /* if (vklass->idepth < aklass->idepth) goto failue */
9986 mono_mb_emit_ldloc (mb, vklass);
9987 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9988 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9990 mono_mb_emit_ldloc (mb, aklass);
9991 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
9992 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9994 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9996 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9997 mono_mb_emit_ldloc (mb, vklass);
9998 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
9999 mono_mb_emit_byte (mb, CEE_LDIND_I);
10001 mono_mb_emit_ldloc (mb, aklass);
10002 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10003 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10004 mono_mb_emit_icon (mb, 1);
10005 mono_mb_emit_byte (mb, CEE_SUB);
10006 mono_mb_emit_icon (mb, sizeof (void*));
10007 mono_mb_emit_byte (mb, CEE_MUL);
10008 mono_mb_emit_byte (mb, CEE_ADD);
10009 mono_mb_emit_byte (mb, CEE_LDIND_I);
10011 mono_mb_emit_ldloc (mb, aklass);
10012 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10015 mono_mb_patch_branch (mb, b1);
10016 mono_mb_emit_ldloc (mb, array_slot_addr);
10017 mono_mb_emit_ldarg (mb, 2);
10018 mono_mb_emit_byte (mb, CEE_STIND_REF);
10019 mono_mb_emit_byte (mb, CEE_RET);
10021 /* do_exception: */
10022 mono_mb_patch_branch (mb, b2);
10023 mono_mb_patch_branch (mb, b3);
10025 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10028 case STELEMREF_INTERFACE:
10035 klass = array->obj.vtable->klass->element_class;
10036 vt = value->vtable;
10037 uiid = klass->interface_id;
10038 if (uiid > vt->max_interface_id)
10040 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10043 mono_array_setref (array, index, value);
10046 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10048 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10049 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10050 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10051 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10053 /* ldelema (implicit bound check) */
10054 load_array_element_address (mb);
10055 mono_mb_emit_stloc (mb, array_slot_addr);
10057 /* if (!value) goto do_store */
10058 mono_mb_emit_ldarg (mb, 2);
10059 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10061 /* klass = array->vtable->klass->element_class */
10062 load_array_class (mb, aklass);
10064 /* vt = value->vtable */
10065 mono_mb_emit_ldarg (mb, 2);
10066 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10067 mono_mb_emit_byte (mb, CEE_LDIND_I);
10068 mono_mb_emit_stloc (mb, vtable);
10070 /* uiid = klass->interface_id; */
10071 mono_mb_emit_ldloc (mb, aklass);
10072 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
10073 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10074 mono_mb_emit_stloc (mb, uiid);
10076 /*if (uiid > vt->max_interface_id)*/
10077 mono_mb_emit_ldloc (mb, uiid);
10078 mono_mb_emit_ldloc (mb, vtable);
10079 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
10080 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10081 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
10083 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
10085 /*vt->interface_bitmap*/
10086 mono_mb_emit_ldloc (mb, vtable);
10087 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
10088 mono_mb_emit_byte (mb, CEE_LDIND_I);
10091 mono_mb_emit_ldloc (mb, uiid);
10092 mono_mb_emit_icon (mb, 3);
10093 mono_mb_emit_byte (mb, CEE_SHR_UN);
10095 /*vt->interface_bitmap [(uiid) >> 3]*/
10096 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
10097 mono_mb_emit_byte (mb, CEE_LDIND_U1);
10099 /*(1 << ((uiid)&7)))*/
10100 mono_mb_emit_icon (mb, 1);
10101 mono_mb_emit_ldloc (mb, uiid);
10102 mono_mb_emit_icon (mb, 7);
10103 mono_mb_emit_byte (mb, CEE_AND);
10104 mono_mb_emit_byte (mb, CEE_SHL);
10106 /*bitwise and the whole thing*/
10107 mono_mb_emit_byte (mb, CEE_AND);
10108 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10111 mono_mb_patch_branch (mb, b1);
10112 mono_mb_emit_ldloc (mb, array_slot_addr);
10113 mono_mb_emit_ldarg (mb, 2);
10114 mono_mb_emit_byte (mb, CEE_STIND_REF);
10115 mono_mb_emit_byte (mb, CEE_RET);
10117 /* do_exception: */
10118 mono_mb_patch_branch (mb, b2);
10119 mono_mb_patch_branch (mb, b3);
10120 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10124 mono_mb_emit_ldarg (mb, 0);
10125 mono_mb_emit_ldarg (mb, 1);
10126 mono_mb_emit_ldarg (mb, 2);
10127 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
10128 mono_mb_emit_byte (mb, CEE_RET);
10132 res = mono_mb_create_method (mb, signature, 4);
10133 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
10134 mono_marshal_set_wrapper_info (res, GUINT_TO_POINTER (kind + 1));
10135 cached_methods [kind] = res;
10142 mono_marshal_get_stelemref ()
10144 static MonoMethod* ret = NULL;
10145 MonoMethodSignature *sig;
10146 MonoMethodBuilder *mb;
10148 guint32 b1, b2, b3, b4;
10150 int aklass, vklass;
10151 int array_slot_addr;
10156 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
10159 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10161 /* void stelemref (void* array, int idx, void* value) */
10162 sig->ret = &mono_defaults.void_class->byval_arg;
10163 sig->params [0] = &mono_defaults.object_class->byval_arg;
10164 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10165 sig->params [2] = &mono_defaults.object_class->byval_arg;
10167 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10168 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10169 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10173 <ldelema (bound check)>
10177 aklass = array->vtable->klass->element_class;
10178 vklass = value->vtable->klass;
10180 if (vklass->idepth < aklass->idepth)
10183 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10187 *array_slot_addr = value;
10191 if (mono_object_isinst (value, aklass))
10194 throw new ArrayTypeMismatchException ();
10197 /* ldelema (implicit bound check) */
10198 mono_mb_emit_ldarg (mb, 0);
10199 mono_mb_emit_ldarg (mb, 1);
10200 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10201 mono_mb_emit_stloc (mb, array_slot_addr);
10203 /* if (!value) goto do_store */
10204 mono_mb_emit_ldarg (mb, 2);
10205 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10207 /* aklass = array->vtable->klass->element_class */
10208 mono_mb_emit_ldarg (mb, 0);
10209 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10210 mono_mb_emit_byte (mb, CEE_LDIND_I);
10211 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10212 mono_mb_emit_byte (mb, CEE_LDIND_I);
10213 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10214 mono_mb_emit_byte (mb, CEE_LDIND_I);
10215 mono_mb_emit_stloc (mb, aklass);
10217 /* vklass = value->vtable->klass */
10218 mono_mb_emit_ldarg (mb, 2);
10219 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10220 mono_mb_emit_byte (mb, CEE_LDIND_I);
10221 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10222 mono_mb_emit_byte (mb, CEE_LDIND_I);
10223 mono_mb_emit_stloc (mb, vklass);
10225 /* if (vklass->idepth < aklass->idepth) goto failue */
10226 mono_mb_emit_ldloc (mb, vklass);
10227 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10228 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10230 mono_mb_emit_ldloc (mb, aklass);
10231 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10232 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10234 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10236 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10237 mono_mb_emit_ldloc (mb, vklass);
10238 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10239 mono_mb_emit_byte (mb, CEE_LDIND_I);
10241 mono_mb_emit_ldloc (mb, aklass);
10242 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10243 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10244 mono_mb_emit_icon (mb, 1);
10245 mono_mb_emit_byte (mb, CEE_SUB);
10246 mono_mb_emit_icon (mb, sizeof (void*));
10247 mono_mb_emit_byte (mb, CEE_MUL);
10248 mono_mb_emit_byte (mb, CEE_ADD);
10249 mono_mb_emit_byte (mb, CEE_LDIND_I);
10251 mono_mb_emit_ldloc (mb, aklass);
10253 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10255 copy_pos = mono_mb_get_label (mb);
10257 mono_mb_patch_branch (mb, b1);
10258 mono_mb_emit_ldloc (mb, array_slot_addr);
10259 mono_mb_emit_ldarg (mb, 2);
10260 mono_mb_emit_byte (mb, CEE_STIND_REF);
10262 mono_mb_emit_byte (mb, CEE_RET);
10265 mono_mb_patch_branch (mb, b2);
10266 mono_mb_patch_branch (mb, b3);
10268 mono_mb_emit_ldarg (mb, 2);
10269 mono_mb_emit_ldloc (mb, aklass);
10270 mono_mb_emit_icall (mb, mono_object_isinst);
10272 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10273 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
10274 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10276 mono_mb_emit_byte (mb, CEE_RET);
10277 ret = mono_mb_create_method (mb, sig, 4);
10285 MonoMethod *method;
10288 /* LOCKING: vars accessed under the marshal lock */
10289 static ArrayElemAddr *elem_addr_cache = NULL;
10290 static int elem_addr_cache_size = 0;
10291 static int elem_addr_cache_next = 0;
10294 * mono_marshal_get_array_address:
10295 * @rank: rank of the array type
10296 * @elem_size: size in bytes of an element of an array.
10298 * Returns a MonoMethd that implements the code to get the address
10299 * of an element in a multi-dimenasional array of @rank dimensions.
10300 * The returned method takes an array as the first argument and then
10301 * @rank indexes for the @rank dimensions.
10304 mono_marshal_get_array_address (int rank, int elem_size)
10307 MonoMethodBuilder *mb;
10308 MonoMethodSignature *sig;
10309 int i, bounds, ind, realidx;
10310 int branch_pos, *branch_positions;
10314 mono_marshal_lock ();
10315 for (i = 0; i < elem_addr_cache_next; ++i) {
10316 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10317 ret = elem_addr_cache [i].method;
10321 mono_marshal_unlock ();
10325 branch_positions = g_new0 (int, rank);
10327 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
10329 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
10330 sig->ret = &mono_defaults.int_class->byval_arg;
10331 sig->params [0] = &mono_defaults.object_class->byval_arg;
10332 for (i = 0; i < rank; ++i) {
10333 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
10336 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
10338 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10339 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10340 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10342 /* bounds = array->bounds; */
10343 mono_mb_emit_ldarg (mb, 0);
10344 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
10345 mono_mb_emit_byte (mb, CEE_LDIND_I);
10346 mono_mb_emit_stloc (mb, bounds);
10348 /* ind is the overall element index, realidx is the partial index in a single dimension */
10349 /* ind = idx0 - bounds [0].lower_bound */
10350 mono_mb_emit_ldarg (mb, 1);
10351 mono_mb_emit_ldloc (mb, bounds);
10352 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10353 mono_mb_emit_byte (mb, CEE_ADD);
10354 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10355 mono_mb_emit_byte (mb, CEE_SUB);
10356 mono_mb_emit_stloc (mb, ind);
10357 /* if (ind >= bounds [0].length) goto exeception; */
10358 mono_mb_emit_ldloc (mb, ind);
10359 mono_mb_emit_ldloc (mb, bounds);
10360 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
10361 mono_mb_emit_byte (mb, CEE_ADD);
10362 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10363 /* note that we use unsigned comparison */
10364 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
10366 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
10367 * We could also decide to ignore the passed elem_size and get it
10368 * from the array object, to reduce the number of methods we generate:
10369 * the additional cost is 3 memory loads and a non-immediate mul.
10371 for (i = 1; i < rank; ++i) {
10372 /* realidx = idxi - bounds [i].lower_bound */
10373 mono_mb_emit_ldarg (mb, 1 + i);
10374 mono_mb_emit_ldloc (mb, bounds);
10375 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
10376 mono_mb_emit_byte (mb, CEE_ADD);
10377 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10378 mono_mb_emit_byte (mb, CEE_SUB);
10379 mono_mb_emit_stloc (mb, realidx);
10380 /* if (realidx >= bounds [i].length) goto exeception; */
10381 mono_mb_emit_ldloc (mb, realidx);
10382 mono_mb_emit_ldloc (mb, bounds);
10383 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
10384 mono_mb_emit_byte (mb, CEE_ADD);
10385 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10386 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
10387 /* ind = ind * bounds [i].length + realidx */
10388 mono_mb_emit_ldloc (mb, ind);
10389 mono_mb_emit_ldloc (mb, bounds);
10390 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
10391 mono_mb_emit_byte (mb, CEE_ADD);
10392 mono_mb_emit_byte (mb, CEE_LDIND_I4);
10393 mono_mb_emit_byte (mb, CEE_MUL);
10394 mono_mb_emit_ldloc (mb, realidx);
10395 mono_mb_emit_byte (mb, CEE_ADD);
10396 mono_mb_emit_stloc (mb, ind);
10399 /* return array->vector + ind * element_size */
10400 mono_mb_emit_ldarg (mb, 0);
10401 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
10402 mono_mb_emit_ldloc (mb, ind);
10403 mono_mb_emit_icon (mb, elem_size);
10404 mono_mb_emit_byte (mb, CEE_MUL);
10405 mono_mb_emit_byte (mb, CEE_ADD);
10406 mono_mb_emit_byte (mb, CEE_RET);
10408 /* patch the branches to get here and throw */
10409 for (i = 1; i < rank; ++i) {
10410 mono_mb_patch_branch (mb, branch_positions [i]);
10412 mono_mb_patch_branch (mb, branch_pos);
10413 /* throw exception */
10414 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
10416 g_free (branch_positions);
10417 ret = mono_mb_create_method (mb, sig, 4);
10420 /* cache the result */
10422 mono_marshal_lock ();
10423 for (i = 0; i < elem_addr_cache_next; ++i) {
10424 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10425 /* FIXME: free ret */
10426 ret = elem_addr_cache [i].method;
10432 ElementAddrWrapperInfo *info;
10434 if (elem_addr_cache_next >= elem_addr_cache_size) {
10435 int new_size = elem_addr_cache_size + 4;
10436 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
10437 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
10438 g_free (elem_addr_cache);
10439 elem_addr_cache = new_array;
10440 elem_addr_cache_size = new_size;
10442 elem_addr_cache [elem_addr_cache_next].rank = rank;
10443 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
10444 elem_addr_cache [elem_addr_cache_next].method = ret;
10446 info = mono_image_alloc0 (mono_defaults.corlib, sizeof (ElementAddrWrapperInfo));
10448 info->elem_size = elem_size;
10450 mono_marshal_set_wrapper_info (ret, info);
10452 mono_marshal_unlock ();
10457 mono_marshal_alloc (gulong size)
10462 res = CoTaskMemAlloc (size);
10464 res = g_try_malloc ((gulong)size);
10466 mono_gc_out_of_memory ((gulong)size);
10472 mono_marshal_free (gpointer ptr)
10475 CoTaskMemFree (ptr);
10482 mono_marshal_free_array (gpointer *ptr, int size)
10489 for (i = 0; i < size; i++)
10495 mono_marshal_string_to_utf16 (MonoString *s)
10497 return s ? mono_string_chars (s) : NULL;
10501 mono_marshal_string_to_utf16_copy (MonoString *s)
10506 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
10507 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
10508 res [mono_string_length (s)] = 0;
10514 * mono_marshal_set_last_error:
10516 * This function is invoked to set the last error value from a P/Invoke call
10517 * which has SetLastError set.
10520 mono_marshal_set_last_error (void)
10523 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
10525 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
10530 mono_marshal_set_last_error_windows (int error)
10533 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
10538 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
10539 gpointer dest, gint32 length)
10544 MONO_ARCH_SAVE_REGS;
10546 MONO_CHECK_ARG_NULL (src);
10547 MONO_CHECK_ARG_NULL (dest);
10549 if (src->obj.vtable->klass->rank != 1)
10550 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10551 if (start_index < 0)
10552 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10554 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10555 if (start_index + length > mono_array_length (src))
10556 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10558 element_size = mono_array_element_size (src->obj.vtable->klass);
10560 /* no references should be involved */
10561 source_addr = mono_array_addr_with_size (src, element_size, start_index);
10563 memcpy (dest, source_addr, length * element_size);
10567 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
10568 MonoArray *dest, gint32 length)
10573 MONO_ARCH_SAVE_REGS;
10575 MONO_CHECK_ARG_NULL (src);
10576 MONO_CHECK_ARG_NULL (dest);
10578 if (dest->obj.vtable->klass->rank != 1)
10579 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10580 if (start_index < 0)
10581 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10583 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10584 if (start_index + length > mono_array_length (dest))
10585 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10587 element_size = mono_array_element_size (dest->obj.vtable->klass);
10589 /* no references should be involved */
10590 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
10592 memcpy (dest_addr, src, length * element_size);
10595 #if NO_UNALIGNED_ACCESS
10596 #define RETURN_UNALIGNED(type, addr) \
10599 memcpy(&val, p + offset, sizeof(val)); \
10602 #define WRITE_UNALIGNED(type, addr, val) \
10603 memcpy(addr, &val, sizeof(type))
10605 #define RETURN_UNALIGNED(type, addr) \
10606 return *(type*)(p + offset);
10607 #define WRITE_UNALIGNED(type, addr, val) \
10608 (*(type *)(addr) = (val))
10612 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
10616 MONO_ARCH_SAVE_REGS;
10618 RETURN_UNALIGNED(gpointer, p + offset);
10622 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
10626 MONO_ARCH_SAVE_REGS;
10628 return *(unsigned char*)(p + offset);
10632 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
10636 MONO_ARCH_SAVE_REGS;
10638 RETURN_UNALIGNED(gint16, p + offset);
10642 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
10646 MONO_ARCH_SAVE_REGS;
10648 RETURN_UNALIGNED(gint32, p + offset);
10652 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
10656 MONO_ARCH_SAVE_REGS;
10658 RETURN_UNALIGNED(gint64, p + offset);
10662 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
10666 MONO_ARCH_SAVE_REGS;
10668 *(unsigned char*)(p + offset) = val;
10672 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
10676 MONO_ARCH_SAVE_REGS;
10678 WRITE_UNALIGNED(gpointer, p + offset, val);
10682 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
10686 MONO_ARCH_SAVE_REGS;
10688 WRITE_UNALIGNED(gint16, p + offset, val);
10692 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
10696 MONO_ARCH_SAVE_REGS;
10698 WRITE_UNALIGNED(gint32, p + offset, val);
10702 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
10706 MONO_ARCH_SAVE_REGS;
10708 WRITE_UNALIGNED(gint64, p + offset, val);
10712 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
10714 MONO_ARCH_SAVE_REGS;
10719 return mono_string_new (mono_domain_get (), ptr);
10723 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
10725 MONO_ARCH_SAVE_REGS;
10728 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
10729 g_assert_not_reached ();
10732 return mono_string_new_len (mono_domain_get (), ptr, len);
10737 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
10739 MonoDomain *domain = mono_domain_get ();
10743 MONO_ARCH_SAVE_REGS;
10751 return mono_string_new_utf16 (domain, ptr, len);
10755 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
10757 MonoDomain *domain = mono_domain_get ();
10759 MONO_ARCH_SAVE_REGS;
10762 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
10763 g_assert_not_reached ();
10766 return mono_string_new_utf16 (domain, ptr, len);
10771 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
10773 MONO_ARCH_SAVE_REGS;
10775 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
10779 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
10785 MONO_ARCH_SAVE_REGS;
10787 MONO_CHECK_ARG_NULL (rtype);
10789 type = rtype->type;
10790 klass = mono_class_from_mono_type (type);
10791 if (!mono_class_init (klass))
10792 mono_raise_exception (mono_class_get_exception_for_failure (klass));
10794 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
10796 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10798 MonoException *exc;
10800 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
10801 exc = mono_get_exception_argument ("t", msg);
10803 mono_raise_exception (exc);
10807 return mono_class_native_size (klass, NULL);
10811 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
10813 MonoMethod *method;
10816 MONO_ARCH_SAVE_REGS;
10818 MONO_CHECK_ARG_NULL (obj);
10819 MONO_CHECK_ARG_NULL (dst);
10821 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
10825 pa [2] = &delete_old;
10827 mono_runtime_invoke (method, NULL, pa, NULL);
10831 ptr_to_structure (gpointer src, MonoObject *dst)
10833 MonoMethod *method;
10836 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
10841 mono_runtime_invoke (method, NULL, pa, NULL);
10845 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
10849 MONO_ARCH_SAVE_REGS;
10851 MONO_CHECK_ARG_NULL (src);
10852 MONO_CHECK_ARG_NULL (dst);
10854 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
10856 if (t->type == MONO_TYPE_VALUETYPE) {
10857 MonoException *exc;
10860 tmp = g_strdup_printf ("Destination is a boxed value type.");
10861 exc = mono_get_exception_argument ("dst", tmp);
10864 mono_raise_exception (exc);
10868 ptr_to_structure (src, dst);
10872 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
10875 MonoDomain *domain = mono_domain_get ();
10878 MONO_ARCH_SAVE_REGS;
10880 MONO_CHECK_ARG_NULL (src);
10881 MONO_CHECK_ARG_NULL (type);
10883 klass = mono_class_from_mono_type (type->type);
10884 if (!mono_class_init (klass))
10885 mono_raise_exception (mono_class_get_exception_for_failure (klass));
10887 res = mono_object_new (domain, klass);
10889 ptr_to_structure (src, res);
10895 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
10897 MonoMarshalType *info;
10900 int match_index = -1;
10902 MONO_ARCH_SAVE_REGS;
10904 MONO_CHECK_ARG_NULL (type);
10905 MONO_CHECK_ARG_NULL (field_name);
10907 fname = mono_string_to_utf8 (field_name);
10908 klass = mono_class_from_mono_type (type->type);
10909 if (!mono_class_init (klass))
10910 mono_raise_exception (mono_class_get_exception_for_failure (klass));
10912 while (klass && match_index == -1) {
10913 MonoClassField* field;
10915 gpointer iter = NULL;
10916 while ((field = mono_class_get_fields (klass, &iter))) {
10917 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10919 if (!strcmp (fname, mono_field_get_name (field))) {
10926 if (match_index == -1)
10927 klass = klass->parent;
10932 if(match_index == -1) {
10933 MonoException* exc;
10936 /* Get back original class instance */
10937 klass = mono_class_from_mono_type (type->type);
10939 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
10940 exc = mono_get_exception_argument ("fieldName", tmp);
10943 mono_raise_exception ((MonoException*)exc);
10946 info = mono_marshal_load_type_info (klass);
10947 return info->fields [match_index].offset;
10951 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
10956 tres = mono_string_to_utf8 (string);
10960 len = strlen (tres) + 1;
10961 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
10962 memcpy (ret, tres, len);
10967 return mono_string_to_utf8 (string);
10972 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
10974 MONO_ARCH_SAVE_REGS;
10976 if (string == NULL)
10979 #ifdef TARGET_WIN32
10980 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
10981 ((mono_string_length (string) + 1) * 2);
10983 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
10985 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
10986 res [mono_string_length (string)] = 0;
10992 mono_struct_delete_old (MonoClass *klass, char *ptr)
10994 MonoMarshalType *info;
10997 info = mono_marshal_load_type_info (klass);
10999 for (i = 0; i < info->num_fields; i++) {
11000 MonoMarshalNative ntype;
11001 MonoMarshalConv conv;
11002 MonoType *ftype = info->fields [i].field->type;
11005 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
11008 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
11009 klass->unicode, &conv);
11011 cpos = ptr + info->fields [i].offset;
11014 case MONO_MARSHAL_CONV_NONE:
11015 if (MONO_TYPE_ISSTRUCT (ftype)) {
11016 mono_struct_delete_old (ftype->data.klass, cpos);
11020 case MONO_MARSHAL_CONV_STR_LPWSTR:
11021 /* We assume this field points inside a MonoString */
11023 case MONO_MARSHAL_CONV_STR_LPTSTR:
11024 #ifdef TARGET_WIN32
11025 /* We assume this field points inside a MonoString
11029 case MONO_MARSHAL_CONV_STR_LPSTR:
11030 case MONO_MARSHAL_CONV_STR_BSTR:
11031 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
11032 case MONO_MARSHAL_CONV_STR_TBSTR:
11033 mono_marshal_free (*(gpointer *)cpos);
11043 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
11047 MONO_ARCH_SAVE_REGS;
11049 MONO_CHECK_ARG_NULL (src);
11050 MONO_CHECK_ARG_NULL (type);
11052 klass = mono_class_from_mono_type (type->type);
11053 if (!mono_class_init (klass))
11054 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11056 mono_struct_delete_old (klass, (char *)src);
11060 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
11064 MONO_ARCH_SAVE_REGS;
11066 if ((gulong)size == 0)
11067 /* This returns a valid pointer for size 0 on MS.NET */
11071 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
11073 res = g_try_malloc ((gulong)size);
11076 mono_gc_out_of_memory ((gulong)size);
11082 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
11087 mono_gc_out_of_memory ((gulong)size);
11092 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
11094 res = g_try_realloc (ptr, (gulong)size);
11097 mono_gc_out_of_memory ((gulong)size);
11103 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
11105 MONO_ARCH_SAVE_REGS;
11115 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
11117 MONO_ARCH_SAVE_REGS;
11120 return CoTaskMemAlloc (size);
11122 return g_try_malloc ((gulong)size);
11127 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
11129 MONO_ARCH_SAVE_REGS;
11132 CoTaskMemFree (ptr);
11139 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
11141 MONO_ARCH_SAVE_REGS;
11144 return CoTaskMemRealloc (ptr, size);
11146 return g_try_realloc (ptr, (gulong)size);
11151 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
11153 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
11157 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
11159 MonoClass *klass = mono_type_get_class (type->type);
11160 if (!mono_class_init (klass))
11161 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11163 return mono_ftnptr_to_delegate (klass, ftn);
11167 * mono_marshal_is_loading_type_info:
11169 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
11173 mono_marshal_is_loading_type_info (MonoClass *klass)
11175 GSList *loads_list = TlsGetValue (load_type_info_tls_id);
11177 return g_slist_find (loads_list, klass) != NULL;
11181 * mono_marshal_load_type_info:
11183 * Initialize klass->marshal_info using information from metadata. This function can
11184 * recursively call itself, and the caller is responsible to avoid that by calling
11185 * mono_marshal_is_loading_type_info () beforehand.
11187 * LOCKING: Acquires the loader lock.
11190 mono_marshal_load_type_info (MonoClass* klass)
11193 guint32 native_size = 0, min_align = 1, packing;
11194 MonoMarshalType *info;
11195 MonoClassField* field;
11198 GSList *loads_list;
11200 g_assert (klass != NULL);
11202 if (klass->marshal_info)
11203 return klass->marshal_info;
11205 if (!klass->inited)
11206 mono_class_init (klass);
11208 mono_loader_lock ();
11210 if (klass->marshal_info) {
11211 mono_loader_unlock ();
11212 return klass->marshal_info;
11216 * This function can recursively call itself, so we keep the list of classes which are
11217 * under initialization in a TLS list.
11219 g_assert (!mono_marshal_is_loading_type_info (klass));
11220 loads_list = TlsGetValue (load_type_info_tls_id);
11221 loads_list = g_slist_prepend (loads_list, klass);
11222 TlsSetValue (load_type_info_tls_id, loads_list);
11225 while ((field = mono_class_get_fields (klass, &iter))) {
11226 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11228 if (mono_field_is_deleted (field))
11233 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
11235 /* The mempool is protected by the loader lock */
11236 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
11237 info->num_fields = count;
11239 /* Try to find a size for this type in metadata */
11240 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
11242 if (klass->parent) {
11243 int parent_size = mono_class_native_size (klass->parent, NULL);
11245 /* Add parent size to real size */
11246 native_size += parent_size;
11247 info->native_size = parent_size;
11250 packing = klass->packing_size ? klass->packing_size : 8;
11253 while ((field = mono_class_get_fields (klass, &iter))) {
11257 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11260 if (mono_field_is_deleted (field))
11262 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
11263 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
11264 NULL, NULL, &info->fields [j].mspec);
11266 info->fields [j].field = field;
11268 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
11269 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
11270 /* This field is a hack inserted by MCS to empty structures */
11275 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
11276 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
11277 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11278 &align, TRUE, klass->unicode);
11279 align = klass->packing_size ? MIN (klass->packing_size, align): align;
11280 min_align = MAX (align, min_align);
11281 info->fields [j].offset = info->native_size;
11282 info->fields [j].offset += align - 1;
11283 info->fields [j].offset &= ~(align - 1);
11284 info->native_size = info->fields [j].offset + size;
11286 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
11287 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11288 &align, TRUE, klass->unicode);
11289 min_align = packing;
11290 info->fields [j].offset = field->offset - sizeof (MonoObject);
11291 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
11297 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11298 info->native_size = MAX (native_size, info->native_size);
11300 * If the provided Size is equal or larger than the calculated size, and there
11301 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
11303 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT)
11304 if (native_size && native_size == info->native_size && klass->packing_size == 0)
11308 if (info->native_size & (min_align - 1)) {
11309 info->native_size += min_align - 1;
11310 info->native_size &= ~(min_align - 1);
11313 info->min_align = min_align;
11315 /* Update the class's blittable info, if the layouts don't match */
11316 if (info->native_size != mono_class_value_size (klass, NULL))
11317 klass->blittable = FALSE;
11319 /* If this is an array type, ensure that we have element info */
11320 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
11321 mono_marshal_load_type_info (klass->element_class);
11324 loads_list = TlsGetValue (load_type_info_tls_id);
11325 loads_list = g_slist_remove (loads_list, klass);
11326 TlsSetValue (load_type_info_tls_id, loads_list);
11328 /*We do double-checking locking on marshal_info */
11329 mono_memory_barrier ();
11331 klass->marshal_info = info;
11333 mono_loader_unlock ();
11335 return klass->marshal_info;
11339 * mono_class_native_size:
11342 * Returns: the native size of an object instance (when marshaled
11343 * to unmanaged code)
11346 mono_class_native_size (MonoClass *klass, guint32 *align)
11348 if (!klass->marshal_info) {
11349 if (mono_marshal_is_loading_type_info (klass)) {
11354 mono_marshal_load_type_info (klass);
11359 *align = klass->marshal_info->min_align;
11361 return klass->marshal_info->native_size;
11364 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
11365 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
11366 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
11367 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
11370 * mono_type_native_stack_size:
11371 * @t: the type to return the size it uses on the stack
11373 * Returns: the number of bytes required to hold an instance of this
11374 * type on the native stack
11377 mono_type_native_stack_size (MonoType *t, guint32 *align)
11381 g_assert (t != NULL);
11387 *align = sizeof (gpointer);
11388 return sizeof (gpointer);
11392 case MONO_TYPE_BOOLEAN:
11393 case MONO_TYPE_CHAR:
11404 case MONO_TYPE_STRING:
11405 case MONO_TYPE_OBJECT:
11406 case MONO_TYPE_CLASS:
11407 case MONO_TYPE_SZARRAY:
11408 case MONO_TYPE_PTR:
11409 case MONO_TYPE_FNPTR:
11410 case MONO_TYPE_ARRAY:
11411 *align = sizeof (gpointer);
11412 return sizeof (gpointer);
11417 *align = ALIGNMENT (gdouble);
11421 *align = ALIGNMENT (glong);
11423 case MONO_TYPE_GENERICINST:
11424 if (!mono_type_generic_inst_is_valuetype (t)) {
11425 *align = sizeof (gpointer);
11426 return sizeof (gpointer);
11429 case MONO_TYPE_TYPEDBYREF:
11430 case MONO_TYPE_VALUETYPE: {
11432 MonoClass *klass = mono_class_from_mono_type (t);
11434 if (klass->enumtype)
11435 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
11437 size = mono_class_native_size (klass, align);
11438 *align = *align + 3;
11448 g_error ("type 0x%02x unknown", t->type);
11454 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
11455 gboolean as_field, gboolean unicode)
11457 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
11460 switch (native_type) {
11461 case MONO_NATIVE_BOOLEAN:
11464 case MONO_NATIVE_I1:
11465 case MONO_NATIVE_U1:
11468 case MONO_NATIVE_I2:
11469 case MONO_NATIVE_U2:
11470 case MONO_NATIVE_VARIANTBOOL:
11473 case MONO_NATIVE_I4:
11474 case MONO_NATIVE_U4:
11475 case MONO_NATIVE_ERROR:
11478 case MONO_NATIVE_I8:
11479 case MONO_NATIVE_U8:
11480 *align = ALIGNMENT(guint64);
11482 case MONO_NATIVE_R4:
11485 case MONO_NATIVE_R8:
11486 *align = ALIGNMENT(double);
11488 case MONO_NATIVE_INT:
11489 case MONO_NATIVE_UINT:
11490 case MONO_NATIVE_LPSTR:
11491 case MONO_NATIVE_LPWSTR:
11492 case MONO_NATIVE_LPTSTR:
11493 case MONO_NATIVE_BSTR:
11494 case MONO_NATIVE_ANSIBSTR:
11495 case MONO_NATIVE_TBSTR:
11496 case MONO_NATIVE_LPARRAY:
11497 case MONO_NATIVE_SAFEARRAY:
11498 case MONO_NATIVE_IUNKNOWN:
11499 case MONO_NATIVE_IDISPATCH:
11500 case MONO_NATIVE_INTERFACE:
11501 case MONO_NATIVE_ASANY:
11502 case MONO_NATIVE_FUNC:
11503 case MONO_NATIVE_LPSTRUCT:
11504 *align = ALIGNMENT(gpointer);
11505 return sizeof (gpointer);
11506 case MONO_NATIVE_STRUCT:
11507 klass = mono_class_from_mono_type (type);
11508 if (klass == mono_defaults.object_class &&
11509 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
11513 return mono_class_native_size (klass, align);
11514 case MONO_NATIVE_BYVALTSTR: {
11515 int esize = unicode ? 2: 1;
11518 return mspec->data.array_data.num_elem * esize;
11520 case MONO_NATIVE_BYVALARRAY: {
11521 // FIXME: Have to consider ArraySubType
11523 klass = mono_class_from_mono_type (type);
11524 if (klass->element_class == mono_defaults.char_class) {
11525 esize = unicode ? 2 : 1;
11528 esize = mono_class_native_size (klass->element_class, align);
11531 return mspec->data.array_data.num_elem * esize;
11533 case MONO_NATIVE_CUSTOM:
11534 *align = sizeof (gpointer);
11535 return sizeof (gpointer);
11537 case MONO_NATIVE_CURRENCY:
11538 case MONO_NATIVE_VBBYREFSTR:
11540 g_error ("native type %02x not implemented", native_type);
11543 g_assert_not_reached ();
11548 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
11556 t = &o->vtable->klass->byval_arg;
11560 case MONO_TYPE_PTR:
11563 case MONO_TYPE_BOOLEAN:
11566 case MONO_TYPE_CHAR:
11571 return mono_object_unbox (o);
11573 case MONO_TYPE_STRING:
11574 switch (string_encoding) {
11575 case MONO_NATIVE_LPWSTR:
11576 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
11578 case MONO_NATIVE_LPSTR:
11579 return mono_string_to_lpstr ((MonoString*)o);
11582 g_warning ("marshaling conversion %d not implemented", string_encoding);
11583 g_assert_not_reached ();
11586 case MONO_TYPE_CLASS:
11587 case MONO_TYPE_VALUETYPE: {
11588 MonoMethod *method;
11591 MonoBoolean delete_old = FALSE;
11593 klass = t->data.klass;
11595 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
11598 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11599 klass->blittable || klass->enumtype))
11600 return mono_object_unbox (o);
11602 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
11604 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11605 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
11609 pa [2] = &delete_old;
11611 mono_runtime_invoke (method, NULL, pa, NULL);
11618 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
11624 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
11632 t = &o->vtable->klass->byval_arg;
11634 case MONO_TYPE_STRING:
11635 switch (string_encoding) {
11636 case MONO_NATIVE_LPWSTR:
11637 case MONO_NATIVE_LPSTR:
11638 mono_marshal_free (ptr);
11641 g_warning ("marshaling conversion %d not implemented", string_encoding);
11642 g_assert_not_reached ();
11645 case MONO_TYPE_CLASS:
11646 case MONO_TYPE_VALUETYPE: {
11647 klass = t->data.klass;
11649 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11650 klass->blittable || klass->enumtype))
11653 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
11654 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
11660 mono_runtime_invoke (method, NULL, pa, NULL);
11663 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11664 mono_struct_delete_old (klass, ptr);
11667 mono_marshal_free (ptr);
11676 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
11678 MonoMethodSignature *sig, *csig;
11679 MonoMethodBuilder *mb;
11683 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
11684 mb->method->slot = -1;
11686 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
11687 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
11689 sig = mono_method_signature (method);
11690 csig = signature_dup (method->klass->image, sig);
11691 csig->generic_param_count = 0;
11693 mono_mb_emit_ldarg (mb, 0);
11694 for (i = 0; i < csig->param_count; i++)
11695 mono_mb_emit_ldarg (mb, i + 1);
11696 mono_mb_emit_managed_call (mb, method, NULL);
11697 mono_mb_emit_byte (mb, CEE_RET);
11699 /* We can corlib internal methods */
11700 mb->skip_visibility = TRUE;
11702 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
11710 * The mono_win32_compat_* functions are implementations of inline
11711 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
11712 * although not exported by kernel32.
11714 * We map the appropiate kernel32 entries to these functions using
11715 * dllmaps declared in the global etc/mono/config.
11719 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
11721 if (!dest || !source)
11724 memcpy (dest, source, length);
11728 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
11730 memset (dest, fill, length);
11734 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
11736 if (!dest || !source)
11739 memmove (dest, source, length);
11743 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
11745 memset (dest, 0, length);
11749 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
11754 for (i = 0; i < len; ++i)
11758 g_assert (i < len);
11761 while (byte && !(byte & 1))
11763 g_assert (byte == 1);
11766 *bitmask = buf [i];
11770 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
11772 MonoMethodBuilder *mb;
11773 MonoMethodSignature *sig, *csig;
11774 MonoExceptionClause *clause;
11779 int i, param_count, sig_size, pos_leave;
11783 klass = method->klass;
11784 image = method->klass->image;
11785 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
11787 if ((res = mono_marshal_find_in_cache (cache, method)))
11790 sig = mono_method_signature (method);
11791 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
11793 /* add "this" and exception param */
11794 param_count = sig->param_count + sig->hasthis + 1;
11796 /* dup & extend signature */
11797 csig = mono_metadata_signature_alloc (image, param_count);
11798 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
11799 memcpy (csig, sig, sig_size);
11800 csig->param_count = param_count;
11803 csig->call_convention = MONO_CALL_DEFAULT;
11805 if (sig->hasthis) {
11807 csig->params [0] = &klass->byval_arg;
11808 /* move params up by one */
11809 for (i = 0; i < sig->param_count; i++)
11810 csig->params [i + 1] = sig->params [i];
11813 /* setup exception param as byref+[out] */
11814 csig->params [param_count - 1] = mono_metadata_type_dup (image,
11815 &mono_defaults.exception_class->byval_arg);
11816 csig->params [param_count - 1]->byref = 1;
11817 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
11819 /* convert struct return to object */
11820 if (MONO_TYPE_ISSTRUCT (sig->ret))
11821 csig->ret = &mono_defaults.object_class->byval_arg;
11823 /* local 0 (temp for exception object) */
11824 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
11826 /* local 1 (temp for result) */
11827 if (!MONO_TYPE_IS_VOID (sig->ret))
11828 mono_mb_add_local (mb, sig->ret);
11830 /* clear exception arg */
11831 mono_mb_emit_ldarg (mb, param_count - 1);
11832 mono_mb_emit_byte (mb, CEE_LDNULL);
11833 mono_mb_emit_byte (mb, CEE_STIND_REF);
11836 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
11837 clause->try_offset = mono_mb_get_label (mb);
11839 /* push method's args */
11840 for (i = 0; i < param_count - 1; i++) {
11844 mono_mb_emit_ldarg (mb, i);
11846 /* get the byval type of the param */
11847 klass = mono_class_from_mono_type (csig->params [i]);
11848 type = &klass->byval_arg;
11850 /* unbox struct args */
11851 if (MONO_TYPE_ISSTRUCT (type)) {
11852 mono_mb_emit_op (mb, CEE_UNBOX, klass);
11854 /* byref args & and the "this" arg must remain a ptr.
11855 Otherwise make a copy of the value type */
11856 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
11857 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
11859 csig->params [i] = &mono_defaults.object_class->byval_arg;
11864 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
11865 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
11867 mono_mb_emit_op (mb, CEE_CALL, method);
11869 /* save result at local 1 */
11870 if (!MONO_TYPE_IS_VOID (sig->ret))
11871 mono_mb_emit_stloc (mb, 1);
11873 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
11876 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
11877 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
11878 clause->data.catch_class = mono_defaults.object_class;
11880 clause->handler_offset = mono_mb_get_label (mb);
11882 /* store exception at local 0 */
11883 mono_mb_emit_stloc (mb, 0);
11884 mono_mb_emit_ldarg (mb, param_count - 1);
11885 mono_mb_emit_ldloc (mb, 0);
11886 mono_mb_emit_byte (mb, CEE_STIND_REF);
11887 mono_mb_emit_branch (mb, CEE_LEAVE);
11889 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
11891 mono_mb_set_clauses (mb, 1, clause);
11893 mono_mb_patch_branch (mb, pos_leave);
11896 if (!MONO_TYPE_IS_VOID (sig->ret)) {
11897 mono_mb_emit_ldloc (mb, 1);
11899 /* box the return value */
11900 if (MONO_TYPE_ISSTRUCT (sig->ret))
11901 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
11904 mono_mb_emit_byte (mb, CEE_RET);
11906 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
11913 * mono_marshal_free_dynamic_wrappers:
11915 * Free wrappers of the dynamic method METHOD.
11918 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
11920 MonoImage *image = method->klass->image;
11922 g_assert (method->dynamic);
11924 /* This could be called during shutdown */
11925 if (marshal_mutex_initialized)
11926 mono_marshal_lock ();
11928 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
11929 * they could be shared with other methods ?
11931 if (image->runtime_invoke_direct_cache)
11932 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
11933 if (image->delegate_bound_static_invoke_cache)
11934 g_hash_table_foreach_remove (image->delegate_bound_static_invoke_cache, signature_method_pair_matches_method, method);
11935 if (image->delegate_abstract_invoke_cache)
11936 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
11938 if (marshal_mutex_initialized)
11939 mono_marshal_unlock ();
11943 * mono_marshal_free_inflated_wrappers:
11945 * Free wrappers of the inflated method METHOD.
11949 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
11951 SignatureMethodPair *pair = (SignatureMethodPair*)key;
11952 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
11954 return mono_metadata_signature_equal (pair->sig, sig);
11958 mono_marshal_free_inflated_wrappers (MonoMethod *method)
11960 MonoMethodSignature *sig = method->signature;
11962 g_assert (method->is_inflated);
11964 /* Ignore calls occuring late during cleanup. */
11965 if (!marshal_mutex_initialized)
11968 mono_marshal_lock ();
11970 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
11971 * they could be shared with other methods ?
11975 * indexed by MonoMethodSignature
11977 /* FIXME: This could remove unrelated wrappers as well */
11978 if (sig && method->klass->image->delegate_begin_invoke_cache)
11979 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
11980 if (sig && method->klass->image->delegate_end_invoke_cache)
11981 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
11982 if (sig && method->klass->image->delegate_invoke_cache)
11983 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
11984 if (sig && method->klass->image->runtime_invoke_cache)
11985 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
11988 * indexed by SignatureMethodPair
11990 if (sig && method->klass->image->delegate_abstract_invoke_cache)
11991 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
11992 signature_method_pair_matches_signature, (gpointer)sig);
11994 if (sig && method->klass->image->delegate_bound_static_invoke_cache)
11995 g_hash_table_foreach_remove (method->klass->image->delegate_bound_static_invoke_cache,
11996 signature_method_pair_matches_signature, (gpointer)sig);
11999 * indexed by MonoMethod pointers
12001 if (method->klass->image->runtime_invoke_direct_cache)
12002 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
12003 if (method->klass->image->managed_wrapper_cache)
12004 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
12005 if (method->klass->image->native_wrapper_cache)
12006 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
12007 if (method->klass->image->remoting_invoke_cache)
12008 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
12009 if (method->klass->image->synchronized_cache)
12010 g_hash_table_remove (method->klass->image->synchronized_cache, method);
12011 if (method->klass->image->unbox_wrapper_cache)
12012 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
12013 if (method->klass->image->cominterop_invoke_cache)
12014 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
12015 if (method->klass->image->cominterop_wrapper_cache)
12016 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
12017 if (method->klass->image->thunk_invoke_cache)
12018 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
12020 mono_marshal_unlock ();